Home / 154,841.55-232,261.80-42,521.86

Finding the Fourth Proportional to 154,841.55, 232,261.80 and 42,521.86

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Solution

The fourth proportional to 154,841.55, 232,261.80 and 42,521.86 is: 63,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,841.55 : 232,261.80 = 42,521.86 : x
  2. Step 2: Convert to fraction form
    154,841.55/232,261.80 = 42,521.86/x
  3. Step 3: Cross multiply
    154,841.55x = 232,261.80 × 42,521.86
  4. Step 4: Simplify right side
    154,841.55x = 9,876,203,742.95
  5. Step 5: Solve for x
    x = 9,876,203,742.95/154,841.55
  6. Step 6: Final answer
    x = 63,782.65

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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.