Home / 138,750.33-191,476.06-75,088.13

Finding the Fourth Proportional to 138,750.33, 191,476.06 and 75,088.13

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Solution

The fourth proportional to 138,750.33, 191,476.06 and 75,088.13 is: 103,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,750.33 : 191,476.06 = 75,088.13 : x
  2. Step 2: Convert to fraction form
    138,750.33/191,476.06 = 75,088.13/x
  3. Step 3: Cross multiply
    138,750.33x = 191,476.06 × 75,088.13
  4. Step 4: Simplify right side
    138,750.33x = 14,377,579,285.17
  5. Step 5: Solve for x
    x = 14,377,579,285.17/138,750.33
  6. Step 6: Final answer
    x = 103,621.95

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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.