Home / 150,158.70-207,210.08-82,162.10

Finding the Fourth Proportional to 150,158.70, 207,210.08 and 82,162.10

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Solution

The fourth proportional to 150,158.70, 207,210.08 and 82,162.10 is: 113,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,158.70 : 207,210.08 = 82,162.10 : x
  2. Step 2: Convert to fraction form
    150,158.70/207,210.08 = 82,162.10/x
  3. Step 3: Cross multiply
    150,158.70x = 207,210.08 × 82,162.10
  4. Step 4: Simplify right side
    150,158.70x = 17,024,816,037.40
  5. Step 5: Solve for x
    x = 17,024,816,037.40/150,158.70
  6. Step 6: Final answer
    x = 113,378.82

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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.