Home / 154,783.19-232,156.07-42,472.55

Finding the Fourth Proportional to 154,783.19, 232,156.07 and 42,472.55

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Solution

The fourth proportional to 154,783.19, 232,156.07 and 42,472.55 is: 63,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,783.19 : 232,156.07 = 42,472.55 : x
  2. Step 2: Convert to fraction form
    154,783.19/232,156.07 = 42,472.55/x
  3. Step 3: Cross multiply
    154,783.19x = 232,156.07 × 42,472.55
  4. Step 4: Simplify right side
    154,783.19x = 9,860,260,078.52
  5. Step 5: Solve for x
    x = 9,860,260,078.52/154,783.19
  6. Step 6: Final answer
    x = 63,703.69

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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.