Home / 147,316.75-220,710.96-89,508.87

Finding the Fourth Proportional to 147,316.75, 220,710.96 and 89,508.87

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Solution

The fourth proportional to 147,316.75, 220,710.96 and 89,508.87 is: 134,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,316.75 : 220,710.96 = 89,508.87 : x
  2. Step 2: Convert to fraction form
    147,316.75/220,710.96 = 89,508.87/x
  3. Step 3: Cross multiply
    147,316.75x = 220,710.96 × 89,508.87
  4. Step 4: Simplify right side
    147,316.75x = 19,755,588,626.22
  5. Step 5: Solve for x
    x = 19,755,588,626.22/147,316.75
  6. Step 6: Final answer
    x = 134,102.80

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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.