Home / 155,681.56-214,765.98-149,646.04

Finding the Fourth Proportional to 155,681.56, 214,765.98 and 149,646.04

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Solution

The fourth proportional to 155,681.56, 214,765.98 and 149,646.04 is: 206,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,681.56 : 214,765.98 = 149,646.04 : x
  2. Step 2: Convert to fraction form
    155,681.56/214,765.98 = 149,646.04/x
  3. Step 3: Cross multiply
    155,681.56x = 214,765.98 × 149,646.04
  4. Step 4: Simplify right side
    155,681.56x = 32,138,878,433.72
  5. Step 5: Solve for x
    x = 32,138,878,433.72/155,681.56
  6. Step 6: Final answer
    x = 206,439.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.