Home / 98,475.75-135,502.88-95,720.13

Finding the Fourth Proportional to 98,475.75, 135,502.88 and 95,720.13

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Solution

The fourth proportional to 98,475.75, 135,502.88 and 95,720.13 is: 131,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,475.75 : 135,502.88 = 95,720.13 : x
  2. Step 2: Convert to fraction form
    98,475.75/135,502.88 = 95,720.13/x
  3. Step 3: Cross multiply
    98,475.75x = 135,502.88 × 95,720.13
  4. Step 4: Simplify right side
    98,475.75x = 12,970,352,810.37
  5. Step 5: Solve for x
    x = 12,970,352,810.37/98,475.75
  6. Step 6: Final answer
    x = 131,711.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.