Home / 125,127.15-187,701.12-40,885.53

Finding the Fourth Proportional to 125,127.15, 187,701.12 and 40,885.53

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Solution

The fourth proportional to 125,127.15, 187,701.12 and 40,885.53 is: 61,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127.15 : 187,701.12 = 40,885.53 : x
  2. Step 2: Convert to fraction form
    125,127.15/187,701.12 = 40,885.53/x
  3. Step 3: Cross multiply
    125,127.15x = 187,701.12 × 40,885.53
  4. Step 4: Simplify right side
    125,127.15x = 7,674,259,772.79
  5. Step 5: Solve for x
    x = 7,674,259,772.79/125,127.15
  6. Step 6: Final answer
    x = 61,331.69

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1.5x scale

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.