Home / 147,442.80-221,142.60-42,250.80

Finding the Fourth Proportional to 147,442.80, 221,142.60 and 42,250.80

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Solution

The fourth proportional to 147,442.80, 221,142.60 and 42,250.80 is: 63,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,442.80 : 221,142.60 = 42,250.80 : x
  2. Step 2: Convert to fraction form
    147,442.80/221,142.60 = 42,250.80/x
  3. Step 3: Cross multiply
    147,442.80x = 221,142.60 × 42,250.80
  4. Step 4: Simplify right side
    147,442.80x = 9,343,451,764.08
  5. Step 5: Solve for x
    x = 9,343,451,764.08/147,442.80
  6. Step 6: Final answer
    x = 63,370.01

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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.