Home / 157,355.42-217,152.96-85,735.44

Finding the Fourth Proportional to 157,355.42, 217,152.96 and 85,735.44

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Solution

The fourth proportional to 157,355.42, 217,152.96 and 85,735.44 is: 118,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,355.42 : 217,152.96 = 85,735.44 : x
  2. Step 2: Convert to fraction form
    157,355.42/217,152.96 = 85,735.44/x
  3. Step 3: Cross multiply
    157,355.42x = 217,152.96 × 85,735.44
  4. Step 4: Simplify right side
    157,355.42x = 18,617,704,572.90
  5. Step 5: Solve for x
    x = 18,617,704,572.90/157,355.42
  6. Step 6: Final answer
    x = 118,316.26

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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.