Home / 155,026.56-232,497.30-42,680.40

Finding the Fourth Proportional to 155,026.56, 232,497.30 and 42,680.40

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Solution

The fourth proportional to 155,026.56, 232,497.30 and 42,680.40 is: 64,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,026.56 : 232,497.30 = 42,680.40 : x
  2. Step 2: Convert to fraction form
    155,026.56/232,497.30 = 42,680.40/x
  3. Step 3: Cross multiply
    155,026.56x = 232,497.30 × 42,680.40
  4. Step 4: Simplify right side
    155,026.56x = 9,923,077,762.92
  5. Step 5: Solve for x
    x = 9,923,077,762.92/155,026.56
  6. Step 6: Final answer
    x = 64,008.89

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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.