Home / 97,715.10-146,572.65-73,139.10

Finding the Fourth Proportional to 97,715.10, 146,572.65 and 73,139.10

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Solution

The fourth proportional to 97,715.10, 146,572.65 and 73,139.10 is: 109,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.10 : 146,572.65 = 73,139.10 : x
  2. Step 2: Convert to fraction form
    97,715.10/146,572.65 = 73,139.10/x
  3. Step 3: Cross multiply
    97,715.10x = 146,572.65 × 73,139.10
  4. Step 4: Simplify right side
    97,715.10x = 10,720,191,705.62
  5. Step 5: Solve for x
    x = 10,720,191,705.62/97,715.10
  6. Step 6: Final answer
    x = 109,708.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.