Home / 157,253.58-217,012.53-89,272.56

Finding the Fourth Proportional to 157,253.58, 217,012.53 and 89,272.56

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Solution

The fourth proportional to 157,253.58, 217,012.53 and 89,272.56 is: 123,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,253.58 : 217,012.53 = 89,272.56 : x
  2. Step 2: Convert to fraction form
    157,253.58/217,012.53 = 89,272.56/x
  3. Step 3: Cross multiply
    157,253.58x = 217,012.53 × 89,272.56
  4. Step 4: Simplify right side
    157,253.58x = 19,373,264,105.18
  5. Step 5: Solve for x
    x = 19,373,264,105.18/157,253.58
  6. Step 6: Final answer
    x = 123,197.60

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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.