Home / 131,630.32-181,649.40-71,201.08

Finding the Fourth Proportional to 131,630.32, 181,649.40 and 71,201.08

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Solution

The fourth proportional to 131,630.32, 181,649.40 and 71,201.08 is: 98,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630.32 : 181,649.40 = 71,201.08 : x
  2. Step 2: Convert to fraction form
    131,630.32/181,649.40 = 71,201.08/x
  3. Step 3: Cross multiply
    131,630.32x = 181,649.40 × 71,201.08
  4. Step 4: Simplify right side
    131,630.32x = 12,933,633,461.35
  5. Step 5: Solve for x
    x = 12,933,633,461.35/131,630.32
  6. Step 6: Final answer
    x = 98,257.25

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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.