Home / 110,781.46-153,005.88-80,701.30

Finding the Fourth Proportional to 110,781.46, 153,005.88 and 80,701.30

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Solution

The fourth proportional to 110,781.46, 153,005.88 and 80,701.30 is: 111,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,781.46 : 153,005.88 = 80,701.30 : x
  2. Step 2: Convert to fraction form
    110,781.46/153,005.88 = 80,701.30/x
  3. Step 3: Cross multiply
    110,781.46x = 153,005.88 × 80,701.30
  4. Step 4: Simplify right side
    110,781.46x = 12,347,773,423.64
  5. Step 5: Solve for x
    x = 12,347,773,423.64/110,781.46
  6. Step 6: Final answer
    x = 111,460.65

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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.