Home / 157,495.72-217,339.32-85,877.14

Finding the Fourth Proportional to 157,495.72, 217,339.32 and 85,877.14

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Solution

The fourth proportional to 157,495.72, 217,339.32 and 85,877.14 is: 118,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,495.72 : 217,339.32 = 85,877.14 : x
  2. Step 2: Convert to fraction form
    157,495.72/217,339.32 = 85,877.14/x
  3. Step 3: Cross multiply
    157,495.72x = 217,339.32 × 85,877.14
  4. Step 4: Simplify right side
    157,495.72x = 18,664,479,211.14
  5. Step 5: Solve for x
    x = 18,664,479,211.14/157,495.72
  6. Step 6: Final answer
    x = 118,507.85

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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.