Home / 149,753.12-224,271.38-86,441.52

Finding the Fourth Proportional to 149,753.12, 224,271.38 and 86,441.52

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Solution

The fourth proportional to 149,753.12, 224,271.38 and 86,441.52 is: 129,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,753.12 : 224,271.38 = 86,441.52 : x
  2. Step 2: Convert to fraction form
    149,753.12/224,271.38 = 86,441.52/x
  3. Step 3: Cross multiply
    149,753.12x = 224,271.38 × 86,441.52
  4. Step 4: Simplify right side
    149,753.12x = 19,386,358,459.91
  5. Step 5: Solve for x
    x = 19,386,358,459.91/149,753.12
  6. Step 6: Final answer
    x = 129,455.46

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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.