Home / 150,635.88-207,895.95-86,973.57

Finding the Fourth Proportional to 150,635.88, 207,895.95 and 86,973.57

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Solution

The fourth proportional to 150,635.88, 207,895.95 and 86,973.57 is: 120,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,635.88 : 207,895.95 = 86,973.57 : x
  2. Step 2: Convert to fraction form
    150,635.88/207,895.95 = 86,973.57/x
  3. Step 3: Cross multiply
    150,635.88x = 207,895.95 × 86,973.57
  4. Step 4: Simplify right side
    150,635.88x = 18,081,452,960.04
  5. Step 5: Solve for x
    x = 18,081,452,960.04/150,635.88
  6. Step 6: Final answer
    x = 120,034.17

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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.