Home / 99,251.46-136,983.34-72,482.58

Finding the Fourth Proportional to 99,251.46, 136,983.34 and 72,482.58

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Solution

The fourth proportional to 99,251.46, 136,983.34 and 72,482.58 is: 100,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,251.46 : 136,983.34 = 72,482.58 : x
  2. Step 2: Convert to fraction form
    99,251.46/136,983.34 = 72,482.58/x
  3. Step 3: Cross multiply
    99,251.46x = 136,983.34 × 72,482.58
  4. Step 4: Simplify right side
    99,251.46x = 9,928,905,900.22
  5. Step 5: Solve for x
    x = 9,928,905,900.22/99,251.46
  6. Step 6: Final answer
    x = 100,037.88

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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.