Home / 150,807.26-208,184.95-87,132.75

Finding the Fourth Proportional to 150,807.26, 208,184.95 and 87,132.75

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Solution

The fourth proportional to 150,807.26, 208,184.95 and 87,132.75 is: 120,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,807.26 : 208,184.95 = 87,132.75 : x
  2. Step 2: Convert to fraction form
    150,807.26/208,184.95 = 87,132.75/x
  3. Step 3: Cross multiply
    150,807.26x = 208,184.95 × 87,132.75
  4. Step 4: Simplify right side
    150,807.26x = 18,139,727,202.11
  5. Step 5: Solve for x
    x = 18,139,727,202.11/150,807.26
  6. Step 6: Final answer
    x = 120,284.18

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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.