Home / 120,005.04-180,117.12-60,881.52

Finding the Fourth Proportional to 120,005.04, 180,117.12 and 60,881.52

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Solution

The fourth proportional to 120,005.04, 180,117.12 and 60,881.52 is: 91,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,005.04 : 180,117.12 = 60,881.52 : x
  2. Step 2: Convert to fraction form
    120,005.04/180,117.12 = 60,881.52/x
  3. Step 3: Cross multiply
    120,005.04x = 180,117.12 × 60,881.52
  4. Step 4: Simplify right side
    120,005.04x = 10,965,804,043.62
  5. Step 5: Solve for x
    x = 10,965,804,043.62/120,005.04
  6. Step 6: Final answer
    x = 91,377.86

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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.