Home / 98,114.20-147,157.47-31,545.87

Finding the Fourth Proportional to 98,114.20, 147,157.47 and 31,545.87

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Solution

The fourth proportional to 98,114.20, 147,157.47 and 31,545.87 is: 47,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,114.20 : 147,157.47 = 31,545.87 : x
  2. Step 2: Convert to fraction form
    98,114.20/147,157.47 = 31,545.87/x
  3. Step 3: Cross multiply
    98,114.20x = 147,157.47 × 31,545.87
  4. Step 4: Simplify right side
    98,114.20x = 4,642,210,418.15
  5. Step 5: Solve for x
    x = 4,642,210,418.15/98,114.20
  6. Step 6: Final answer
    x = 47,314.36

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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.