Home / 113,647.12-156,900.30-101,037.04

Finding the Fourth Proportional to 113,647.12, 156,900.30 and 101,037.04

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Solution

The fourth proportional to 113,647.12, 156,900.30 and 101,037.04 is: 139,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647.12 : 156,900.30 = 101,037.04 : x
  2. Step 2: Convert to fraction form
    113,647.12/156,900.30 = 101,037.04/x
  3. Step 3: Cross multiply
    113,647.12x = 156,900.30 × 101,037.04
  4. Step 4: Simplify right side
    113,647.12x = 15,852,741,102.61
  5. Step 5: Solve for x
    x = 15,852,741,102.61/113,647.12
  6. Step 6: Final answer
    x = 139,490.92

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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.