Home / 113,337.12-156,405.12-63,045.84

Finding the Fourth Proportional to 113,337.12, 156,405.12 and 63,045.84

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Solution

The fourth proportional to 113,337.12, 156,405.12 and 63,045.84 is: 87,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,337.12 : 156,405.12 = 63,045.84 : x
  2. Step 2: Convert to fraction form
    113,337.12/156,405.12 = 63,045.84/x
  3. Step 3: Cross multiply
    113,337.12x = 156,405.12 × 63,045.84
  4. Step 4: Simplify right side
    113,337.12x = 9,860,692,170.70
  5. Step 5: Solve for x
    x = 9,860,692,170.70/113,337.12
  6. Step 6: Final answer
    x = 87,003.20

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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.