Home / 125,272.34-172,882.89-74,315.24

Finding the Fourth Proportional to 125,272.34, 172,882.89 and 74,315.24

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Solution

The fourth proportional to 125,272.34, 172,882.89 and 74,315.24 is: 102,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.34 : 172,882.89 = 74,315.24 : x
  2. Step 2: Convert to fraction form
    125,272.34/172,882.89 = 74,315.24/x
  3. Step 3: Cross multiply
    125,272.34x = 172,882.89 × 74,315.24
  4. Step 4: Simplify right side
    125,272.34x = 12,847,833,462.24
  5. Step 5: Solve for x
    x = 12,847,833,462.24/125,272.34
  6. Step 6: Final answer
    x = 102,559.22

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1.5x scale

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.