Home / 150,137.28-207,187.20-86,475.60

Finding the Fourth Proportional to 150,137.28, 207,187.20 and 86,475.60

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Solution

The fourth proportional to 150,137.28, 207,187.20 and 86,475.60 is: 119,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,137.28 : 207,187.20 = 86,475.60 : x
  2. Step 2: Convert to fraction form
    150,137.28/207,187.20 = 86,475.60/x
  3. Step 3: Cross multiply
    150,137.28x = 207,187.20 × 86,475.60
  4. Step 4: Simplify right side
    150,137.28x = 17,916,637,432.32
  5. Step 5: Solve for x
    x = 17,916,637,432.32/150,137.28
  6. Step 6: Final answer
    x = 119,335.03

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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.