Home / 138,598.34-191,265.98-74,936.13

Finding the Fourth Proportional to 138,598.34, 191,265.98 and 74,936.13

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Solution

The fourth proportional to 138,598.34, 191,265.98 and 74,936.13 is: 103,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,598.34 : 191,265.98 = 74,936.13 : x
  2. Step 2: Convert to fraction form
    138,598.34/191,265.98 = 74,936.13/x
  3. Step 3: Cross multiply
    138,598.34x = 191,265.98 × 74,936.13
  4. Step 4: Simplify right side
    138,598.34x = 14,332,731,967.18
  5. Step 5: Solve for x
    x = 14,332,731,967.18/138,598.34
  6. Step 6: Final answer
    x = 103,412.01

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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.