Home / 154,961.56-232,411.68-42,612.79

Finding the Fourth Proportional to 154,961.56, 232,411.68 and 42,612.79

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Solution

The fourth proportional to 154,961.56, 232,411.68 and 42,612.79 is: 63,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.56 : 232,411.68 = 42,612.79 : x
  2. Step 2: Convert to fraction form
    154,961.56/232,411.68 = 42,612.79/x
  3. Step 3: Cross multiply
    154,961.56x = 232,411.68 × 42,612.79
  4. Step 4: Simplify right side
    154,961.56x = 9,903,710,113.39
  5. Step 5: Solve for x
    x = 9,903,710,113.39/154,961.56
  6. Step 6: Final answer
    x = 63,910.75

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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.