Home / 150,003.30-225,004.95-86,823.30

Finding the Fourth Proportional to 150,003.30, 225,004.95 and 86,823.30

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Solution

The fourth proportional to 150,003.30, 225,004.95 and 86,823.30 is: 130,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.30 : 225,004.95 = 86,823.30 : x
  2. Step 2: Convert to fraction form
    150,003.30/225,004.95 = 86,823.30/x
  3. Step 3: Cross multiply
    150,003.30x = 225,004.95 × 86,823.30
  4. Step 4: Simplify right side
    150,003.30x = 19,535,672,275.34
  5. Step 5: Solve for x
    x = 19,535,672,275.34/150,003.30
  6. Step 6: Final answer
    x = 130,234.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.