Home / 73,461.10-110,182.98-20,158.47

Finding the Fourth Proportional to 73,461.10, 110,182.98 and 20,158.47

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Solution

The fourth proportional to 73,461.10, 110,182.98 and 20,158.47 is: 30,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,461.10 : 110,182.98 = 20,158.47 : x
  2. Step 2: Convert to fraction form
    73,461.10/110,182.98 = 20,158.47/x
  3. Step 3: Cross multiply
    73,461.10x = 110,182.98 × 20,158.47
  4. Step 4: Simplify right side
    73,461.10x = 2,221,119,959.25
  5. Step 5: Solve for x
    x = 2,221,119,959.25/73,461.10
  6. Step 6: Final answer
    x = 30,235.32

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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.