Home / 120,117.15-180,178.38-41,232.06

Finding the Fourth Proportional to 120,117.15, 180,178.38 and 41,232.06

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Solution

The fourth proportional to 120,117.15, 180,178.38 and 41,232.06 is: 61,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,117.15 : 180,178.38 = 41,232.06 : x
  2. Step 2: Convert to fraction form
    120,117.15/180,178.38 = 41,232.06/x
  3. Step 3: Cross multiply
    120,117.15x = 180,178.38 × 41,232.06
  4. Step 4: Simplify right side
    120,117.15x = 7,429,125,774.86
  5. Step 5: Solve for x
    x = 7,429,125,774.86/120,117.15
  6. Step 6: Final answer
    x = 61,849.00

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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.