Home / 131,613.08-181,626.08-74,264.58

Finding the Fourth Proportional to 131,613.08, 181,626.08 and 74,264.58

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Solution

The fourth proportional to 131,613.08, 181,626.08 and 74,264.58 is: 102,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,613.08 : 181,626.08 = 74,264.58 : x
  2. Step 2: Convert to fraction form
    131,613.08/181,626.08 = 74,264.58/x
  3. Step 3: Cross multiply
    131,613.08x = 181,626.08 × 74,264.58
  4. Step 4: Simplify right side
    131,613.08x = 13,488,383,640.12
  5. Step 5: Solve for x
    x = 13,488,383,640.12/131,613.08
  6. Step 6: Final answer
    x = 102,485.13

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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.