Home / 157,441.55-217,261.13-89,449.08

Finding the Fourth Proportional to 157,441.55, 217,261.13 and 89,449.08

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Solution

The fourth proportional to 157,441.55, 217,261.13 and 89,449.08 is: 123,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,441.55 : 217,261.13 = 89,449.08 : x
  2. Step 2: Convert to fraction form
    157,441.55/217,261.13 = 89,449.08/x
  3. Step 3: Cross multiply
    157,441.55x = 217,261.13 × 89,449.08
  4. Step 4: Simplify right side
    157,441.55x = 19,433,808,198.26
  5. Step 5: Solve for x
    x = 19,433,808,198.26/157,441.55
  6. Step 6: Final answer
    x = 123,435.07

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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.