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Finding the Fourth Proportional to 113,482.16, 156,525.72 and 98,348.24

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Solution

The fourth proportional to 113,482.16, 156,525.72 and 98,348.24 is: 135,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,482.16 : 156,525.72 = 98,348.24 : x
  2. Step 2: Convert to fraction form
    113,482.16/156,525.72 = 98,348.24/x
  3. Step 3: Cross multiply
    113,482.16x = 156,525.72 × 98,348.24
  4. Step 4: Simplify right side
    113,482.16x = 15,394,029,076.73
  5. Step 5: Solve for x
    x = 15,394,029,076.73/113,482.16
  6. Step 6: Final answer
    x = 135,651.53

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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.