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Finding the Fourth Proportional to 94,892.50, 130,940.31 and 52,445.26

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Solution

The fourth proportional to 94,892.50, 130,940.31 and 52,445.26 is: 72,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,892.50 : 130,940.31 = 52,445.26 : x
  2. Step 2: Convert to fraction form
    94,892.50/130,940.31 = 52,445.26/x
  3. Step 3: Cross multiply
    94,892.50x = 130,940.31 × 52,445.26
  4. Step 4: Simplify right side
    94,892.50x = 6,867,198,602.43
  5. Step 5: Solve for x
    x = 6,867,198,602.43/94,892.50
  6. Step 6: Final answer
    x = 72,368.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.