Home / 98,631.26-136,104.30-55,612.29

Finding the Fourth Proportional to 98,631.26, 136,104.30 and 55,612.29

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Solution

The fourth proportional to 98,631.26, 136,104.30 and 55,612.29 is: 76,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,631.26 : 136,104.30 = 55,612.29 : x
  2. Step 2: Convert to fraction form
    98,631.26/136,104.30 = 55,612.29/x
  3. Step 3: Cross multiply
    98,631.26x = 136,104.30 × 55,612.29
  4. Step 4: Simplify right side
    98,631.26x = 7,569,071,801.85
  5. Step 5: Solve for x
    x = 7,569,071,801.85/98,631.26
  6. Step 6: Final answer
    x = 76,741.11

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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.