Home / 147,237.45-220,690.62-74,987.61

Finding the Fourth Proportional to 147,237.45, 220,690.62 and 74,987.61

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Solution

The fourth proportional to 147,237.45, 220,690.62 and 74,987.61 is: 112,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.45 : 220,690.62 = 74,987.61 : x
  2. Step 2: Convert to fraction form
    147,237.45/220,690.62 = 74,987.61/x
  3. Step 3: Cross multiply
    147,237.45x = 220,690.62 × 74,987.61
  4. Step 4: Simplify right side
    147,237.45x = 16,549,062,143.22
  5. Step 5: Solve for x
    x = 16,549,062,143.22/147,237.45
  6. Step 6: Final answer
    x = 112,397.10

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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.