Home / 150,621.84-207,834.66-86,947.38

Finding the Fourth Proportional to 150,621.84, 207,834.66 and 86,947.38

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Solution

The fourth proportional to 150,621.84, 207,834.66 and 86,947.38 is: 119,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,621.84 : 207,834.66 = 86,947.38 : x
  2. Step 2: Convert to fraction form
    150,621.84/207,834.66 = 86,947.38/x
  3. Step 3: Cross multiply
    150,621.84x = 207,834.66 × 86,947.38
  4. Step 4: Simplify right side
    150,621.84x = 18,070,679,160.19
  5. Step 5: Solve for x
    x = 18,070,679,160.19/150,621.84
  6. Step 6: Final answer
    x = 119,973.83

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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.