Home / 157,327.32-217,110.63-85,707.39

Finding the Fourth Proportional to 157,327.32, 217,110.63 and 85,707.39

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Solution

The fourth proportional to 157,327.32, 217,110.63 and 85,707.39 is: 118,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,327.32 : 217,110.63 = 85,707.39 : x
  2. Step 2: Convert to fraction form
    157,327.32/217,110.63 = 85,707.39/x
  3. Step 3: Cross multiply
    157,327.32x = 217,110.63 × 85,707.39
  4. Step 4: Simplify right side
    157,327.32x = 18,607,985,438.56
  5. Step 5: Solve for x
    x = 18,607,985,438.56/157,327.32
  6. Step 6: Final answer
    x = 118,275.61

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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.