Home / 124,927.60-187,261.80-68,681.20

Finding the Fourth Proportional to 124,927.60, 187,261.80 and 68,681.20

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Solution

The fourth proportional to 124,927.60, 187,261.80 and 68,681.20 is: 102,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.60 : 187,261.80 = 68,681.20 : x
  2. Step 2: Convert to fraction form
    124,927.60/187,261.80 = 68,681.20/x
  3. Step 3: Cross multiply
    124,927.60x = 187,261.80 × 68,681.20
  4. Step 4: Simplify right side
    124,927.60x = 12,861,365,138.16
  5. Step 5: Solve for x
    x = 12,861,365,138.16/124,927.60
  6. Step 6: Final answer
    x = 102,950.55

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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.