Home / 125,184.64-187,777.08-31,690.40

Finding the Fourth Proportional to 125,184.64, 187,777.08 and 31,690.40

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Solution

The fourth proportional to 125,184.64, 187,777.08 and 31,690.40 is: 47,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,184.64 : 187,777.08 = 31,690.40 : x
  2. Step 2: Convert to fraction form
    125,184.64/187,777.08 = 31,690.40/x
  3. Step 3: Cross multiply
    125,184.64x = 187,777.08 × 31,690.40
  4. Step 4: Simplify right side
    125,184.64x = 5,950,730,776.03
  5. Step 5: Solve for x
    x = 5,950,730,776.03/125,184.64
  6. Step 6: Final answer
    x = 47,535.63

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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.