Home / 150,870.64-226,276.80-143,377.60

Finding the Fourth Proportional to 150,870.64, 226,276.80 and 143,377.60

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Solution

The fourth proportional to 150,870.64, 226,276.80 and 143,377.60 is: 215,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,870.64 : 226,276.80 = 143,377.60 : x
  2. Step 2: Convert to fraction form
    150,870.64/226,276.80 = 143,377.60/x
  3. Step 3: Cross multiply
    150,870.64x = 226,276.80 × 143,377.60
  4. Step 4: Simplify right side
    150,870.64x = 32,443,024,519.68
  5. Step 5: Solve for x
    x = 32,443,024,519.68/150,870.64
  6. Step 6: Final answer
    x = 215,038.69

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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.