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Finding the Fourth Proportional to 134,807.60, 202,211.40 and 103,703.60

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Solution

The fourth proportional to 134,807.60, 202,211.40 and 103,703.60 is: 155,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.60 : 202,211.40 = 103,703.60 : x
  2. Step 2: Convert to fraction form
    134,807.60/202,211.40 = 103,703.60/x
  3. Step 3: Cross multiply
    134,807.60x = 202,211.40 × 103,703.60
  4. Step 4: Simplify right side
    134,807.60x = 20,970,050,141.04
  5. Step 5: Solve for x
    x = 20,970,050,141.04/134,807.60
  6. Step 6: Final answer
    x = 155,555.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.