Home / 115,008.74-172,529.30-40,117.96

Finding the Fourth Proportional to 115,008.74, 172,529.30 and 40,117.96

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Solution

The fourth proportional to 115,008.74, 172,529.30 and 40,117.96 is: 60,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.74 : 172,529.30 = 40,117.96 : x
  2. Step 2: Convert to fraction form
    115,008.74/172,529.30 = 40,117.96/x
  3. Step 3: Cross multiply
    115,008.74x = 172,529.30 × 40,117.96
  4. Step 4: Simplify right side
    115,008.74x = 6,921,523,225.20
  5. Step 5: Solve for x
    x = 6,921,523,225.20/115,008.74
  6. Step 6: Final answer
    x = 60,182.59

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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.