Home / 98,743.23-147,355.55-88,245.63

Finding the Fourth Proportional to 98,743.23, 147,355.55 and 88,245.63

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Solution

The fourth proportional to 98,743.23, 147,355.55 and 88,245.63 is: 131,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.23 : 147,355.55 = 88,245.63 : x
  2. Step 2: Convert to fraction form
    98,743.23/147,355.55 = 88,245.63/x
  3. Step 3: Cross multiply
    98,743.23x = 147,355.55 × 88,245.63
  4. Step 4: Simplify right side
    98,743.23x = 13,003,482,902.52
  5. Step 5: Solve for x
    x = 13,003,482,902.52/98,743.23
  6. Step 6: Final answer
    x = 131,689.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.