Home / 124,627.76-187,002.63-77,230.18

Finding the Fourth Proportional to 124,627.76, 187,002.63 and 77,230.18

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Solution

The fourth proportional to 124,627.76, 187,002.63 and 77,230.18 is: 115,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,627.76 : 187,002.63 = 77,230.18 : x
  2. Step 2: Convert to fraction form
    124,627.76/187,002.63 = 77,230.18/x
  3. Step 3: Cross multiply
    124,627.76x = 187,002.63 × 77,230.18
  4. Step 4: Simplify right side
    124,627.76x = 14,442,245,840.36
  5. Step 5: Solve for x
    x = 14,442,245,840.36/124,627.76
  6. Step 6: Final answer
    x = 115,883.06

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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.