Home / 125,026.34-172,501.04-74,016.65

Finding the Fourth Proportional to 125,026.34, 172,501.04 and 74,016.65

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Solution

The fourth proportional to 125,026.34, 172,501.04 and 74,016.65 is: 102,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026.34 : 172,501.04 = 74,016.65 : x
  2. Step 2: Convert to fraction form
    125,026.34/172,501.04 = 74,016.65/x
  3. Step 3: Cross multiply
    125,026.34x = 172,501.04 × 74,016.65
  4. Step 4: Simplify right side
    125,026.34x = 12,767,949,718.61
  5. Step 5: Solve for x
    x = 12,767,949,718.61/125,026.34
  6. Step 6: Final answer
    x = 102,122.08

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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.