Home / 180,008.82-248,407.35-99,434.61

Finding the Fourth Proportional to 180,008.82, 248,407.35 and 99,434.61

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Solution

The fourth proportional to 180,008.82, 248,407.35 and 99,434.61 is: 137,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,008.82 : 248,407.35 = 99,434.61 : x
  2. Step 2: Convert to fraction form
    180,008.82/248,407.35 = 99,434.61/x
  3. Step 3: Cross multiply
    180,008.82x = 248,407.35 × 99,434.61
  4. Step 4: Simplify right side
    180,008.82x = 24,700,286,726.35
  5. Step 5: Solve for x
    x = 24,700,286,726.35/180,008.82
  6. Step 6: Final answer
    x = 137,217.10

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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.