Home / 125,026.30-172,540.68-68,437.72

Finding the Fourth Proportional to 125,026.30, 172,540.68 and 68,437.72

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Solution

The fourth proportional to 125,026.30, 172,540.68 and 68,437.72 is: 94,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026.30 : 172,540.68 = 68,437.72 : x
  2. Step 2: Convert to fraction form
    125,026.30/172,540.68 = 68,437.72/x
  3. Step 3: Cross multiply
    125,026.30x = 172,540.68 × 68,437.72
  4. Step 4: Simplify right side
    125,026.30x = 11,808,290,746.45
  5. Step 5: Solve for x
    x = 11,808,290,746.45/125,026.30
  6. Step 6: Final answer
    x = 94,446.45

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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.