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Finding the Fourth Proportional to 169,356.09, 233,711.13 and 97,736.10

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Solution

The fourth proportional to 169,356.09, 233,711.13 and 97,736.10 is: 134,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,356.09 : 233,711.13 = 97,736.10 : x
  2. Step 2: Convert to fraction form
    169,356.09/233,711.13 = 97,736.10/x
  3. Step 3: Cross multiply
    169,356.09x = 233,711.13 × 97,736.10
  4. Step 4: Simplify right side
    169,356.09x = 22,842,014,372.79
  5. Step 5: Solve for x
    x = 22,842,014,372.79/169,356.09
  6. Step 6: Final answer
    x = 134,875.66

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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.