Home / 150,082.12-225,175.02-56,640.52

Finding the Fourth Proportional to 150,082.12, 225,175.02 and 56,640.52

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Solution

The fourth proportional to 150,082.12, 225,175.02 and 56,640.52 is: 84,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,082.12 : 225,175.02 = 56,640.52 : x
  2. Step 2: Convert to fraction form
    150,082.12/225,175.02 = 56,640.52/x
  3. Step 3: Cross multiply
    150,082.12x = 225,175.02 × 56,640.52
  4. Step 4: Simplify right side
    150,082.12x = 12,754,030,223.81
  5. Step 5: Solve for x
    x = 12,754,030,223.81/150,082.12
  6. Step 6: Final answer
    x = 84,980.34

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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.