Home / 98,719.20-147,927.60-73,641.60

Finding the Fourth Proportional to 98,719.20, 147,927.60 and 73,641.60

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Solution

The fourth proportional to 98,719.20, 147,927.60 and 73,641.60 is: 110,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.20 : 147,927.60 = 73,641.60 : x
  2. Step 2: Convert to fraction form
    98,719.20/147,927.60 = 73,641.60/x
  3. Step 3: Cross multiply
    98,719.20x = 147,927.60 × 73,641.60
  4. Step 4: Simplify right side
    98,719.20x = 10,893,625,148.16
  5. Step 5: Solve for x
    x = 10,893,625,148.16/98,719.20
  6. Step 6: Final answer
    x = 110,349.61

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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.