Home / 147,167.93-220,731.15-47,315.43

Finding the Fourth Proportional to 147,167.93, 220,731.15 and 47,315.43

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Solution

The fourth proportional to 147,167.93, 220,731.15 and 47,315.43 is: 70,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,167.93 : 220,731.15 = 47,315.43 : x
  2. Step 2: Convert to fraction form
    147,167.93/220,731.15 = 47,315.43/x
  3. Step 3: Cross multiply
    147,167.93x = 220,731.15 × 47,315.43
  4. Step 4: Simplify right side
    147,167.93x = 10,443,989,454.08
  5. Step 5: Solve for x
    x = 10,443,989,454.08/147,167.93
  6. Step 6: Final answer
    x = 70,966.48

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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.