Home / 107,229.48-147,995.70-61,901.10

Finding the Fourth Proportional to 107,229.48, 147,995.70 and 61,901.10

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Solution

The fourth proportional to 107,229.48, 147,995.70 and 61,901.10 is: 85,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,229.48 : 147,995.70 = 61,901.10 : x
  2. Step 2: Convert to fraction form
    107,229.48/147,995.70 = 61,901.10/x
  3. Step 3: Cross multiply
    107,229.48x = 147,995.70 × 61,901.10
  4. Step 4: Simplify right side
    107,229.48x = 9,161,096,625.27
  5. Step 5: Solve for x
    x = 9,161,096,625.27/107,229.48
  6. Step 6: Final answer
    x = 85,434.50

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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.