Home / 120,023.62-180,148.43-60,901.72

Finding the Fourth Proportional to 120,023.62, 180,148.43 and 60,901.72

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Solution

The fourth proportional to 120,023.62, 180,148.43 and 60,901.72 is: 91,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,023.62 : 180,148.43 = 60,901.72 : x
  2. Step 2: Convert to fraction form
    120,023.62/180,148.43 = 60,901.72/x
  3. Step 3: Cross multiply
    120,023.62x = 180,148.43 × 60,901.72
  4. Step 4: Simplify right side
    120,023.62x = 10,971,349,242.30
  5. Step 5: Solve for x
    x = 10,971,349,242.30/120,023.62
  6. Step 6: Final answer
    x = 91,409.92

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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.