Home / 124,909.72-187,362.84-30,139.11

Finding the Fourth Proportional to 124,909.72, 187,362.84 and 30,139.11

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Solution

The fourth proportional to 124,909.72, 187,362.84 and 30,139.11 is: 45,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,909.72 : 187,362.84 = 30,139.11 : x
  2. Step 2: Convert to fraction form
    124,909.72/187,362.84 = 30,139.11/x
  3. Step 3: Cross multiply
    124,909.72x = 187,362.84 × 30,139.11
  4. Step 4: Simplify right side
    124,909.72x = 5,646,949,244.67
  5. Step 5: Solve for x
    x = 5,646,949,244.67/124,909.72
  6. Step 6: Final answer
    x = 45,208.25

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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.