Home / 187,130.10-280,695.15-108,203.70

Finding the Fourth Proportional to 187,130.10, 280,695.15 and 108,203.70

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Solution

The fourth proportional to 187,130.10, 280,695.15 and 108,203.70 is: 162,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,130.10 : 280,695.15 = 108,203.70 : x
  2. Step 2: Convert to fraction form
    187,130.10/280,695.15 = 108,203.70/x
  3. Step 3: Cross multiply
    187,130.10x = 280,695.15 × 108,203.70
  4. Step 4: Simplify right side
    187,130.10x = 30,372,253,802.06
  5. Step 5: Solve for x
    x = 30,372,253,802.06/187,130.10
  6. Step 6: Final answer
    x = 162,305.55

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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.