Home / 134,947.60-202,421.40-108,703.60

Finding the Fourth Proportional to 134,947.60, 202,421.40 and 108,703.60

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Solution

The fourth proportional to 134,947.60, 202,421.40 and 108,703.60 is: 163,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,947.60 : 202,421.40 = 108,703.60 : x
  2. Step 2: Convert to fraction form
    134,947.60/202,421.40 = 108,703.60/x
  3. Step 3: Cross multiply
    134,947.60x = 202,421.40 × 108,703.60
  4. Step 4: Simplify right side
    134,947.60x = 22,003,934,897.04
  5. Step 5: Solve for x
    x = 22,003,934,897.04/134,947.60
  6. Step 6: Final answer
    x = 163,055.40

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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.