Home / 157,426.21-217,254.04-89,454.72

Finding the Fourth Proportional to 157,426.21, 217,254.04 and 89,454.72

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Solution

The fourth proportional to 157,426.21, 217,254.04 and 89,454.72 is: 123,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.21 : 217,254.04 = 89,454.72 : x
  2. Step 2: Convert to fraction form
    157,426.21/217,254.04 = 89,454.72/x
  3. Step 3: Cross multiply
    157,426.21x = 217,254.04 × 89,454.72
  4. Step 4: Simplify right side
    157,426.21x = 19,434,399,093.43
  5. Step 5: Solve for x
    x = 19,434,399,093.43/157,426.21
  6. Step 6: Final answer
    x = 123,450.85

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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.