Home / 124,897.59-172,354.40-71,199.90

Finding the Fourth Proportional to 124,897.59, 172,354.40 and 71,199.90

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Solution

The fourth proportional to 124,897.59, 172,354.40 and 71,199.90 is: 98,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897.59 : 172,354.40 = 71,199.90 : x
  2. Step 2: Convert to fraction form
    124,897.59/172,354.40 = 71,199.90/x
  3. Step 3: Cross multiply
    124,897.59x = 172,354.40 × 71,199.90
  4. Step 4: Simplify right side
    124,897.59x = 12,271,616,222.56
  5. Step 5: Solve for x
    x = 12,271,616,222.56/124,897.59
  6. Step 6: Final answer
    x = 98,253.43

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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.