Home / 155,489.10-233,234.73-66,667.74

Finding the Fourth Proportional to 155,489.10, 233,234.73 and 66,667.74

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Solution

The fourth proportional to 155,489.10, 233,234.73 and 66,667.74 is: 100,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,489.10 : 233,234.73 = 66,667.74 : x
  2. Step 2: Convert to fraction form
    155,489.10/233,234.73 = 66,667.74/x
  3. Step 3: Cross multiply
    155,489.10x = 233,234.73 × 66,667.74
  4. Step 4: Simplify right side
    155,489.10x = 15,549,232,338.61
  5. Step 5: Solve for x
    x = 15,549,232,338.61/155,489.10
  6. Step 6: Final answer
    x = 100,002.07

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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.