Home / 144,029.10-215,870.85-73,872.30

Finding the Fourth Proportional to 144,029.10, 215,870.85 and 73,872.30

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Solution

The fourth proportional to 144,029.10, 215,870.85 and 73,872.30 is: 110,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.10 : 215,870.85 = 73,872.30 : x
  2. Step 2: Convert to fraction form
    144,029.10/215,870.85 = 73,872.30/x
  3. Step 3: Cross multiply
    144,029.10x = 215,870.85 × 73,872.30
  4. Step 4: Simplify right side
    144,029.10x = 15,946,876,192.46
  5. Step 5: Solve for x
    x = 15,946,876,192.46/144,029.10
  6. Step 6: Final answer
    x = 110,719.82

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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.