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Finding the Fourth Proportional to 102,541.60, 153,812.40 and 91,482.40

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Solution

The fourth proportional to 102,541.60, 153,812.40 and 91,482.40 is: 137,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.60 : 153,812.40 = 91,482.40 : x
  2. Step 2: Convert to fraction form
    102,541.60/153,812.40 = 91,482.40/x
  3. Step 3: Cross multiply
    102,541.60x = 153,812.40 × 91,482.40
  4. Step 4: Simplify right side
    102,541.60x = 14,071,127,501.76
  5. Step 5: Solve for x
    x = 14,071,127,501.76/102,541.60
  6. Step 6: Final answer
    x = 137,223.60

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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.