Home / 157,015.26-216,674.82-85,395.24

Finding the Fourth Proportional to 157,015.26, 216,674.82 and 85,395.24

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Solution

The fourth proportional to 157,015.26, 216,674.82 and 85,395.24 is: 117,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,015.26 : 216,674.82 = 85,395.24 : x
  2. Step 2: Convert to fraction form
    157,015.26/216,674.82 = 85,395.24/x
  3. Step 3: Cross multiply
    157,015.26x = 216,674.82 × 85,395.24
  4. Step 4: Simplify right side
    157,015.26x = 18,502,998,255.86
  5. Step 5: Solve for x
    x = 18,502,998,255.86/157,015.26
  6. Step 6: Final answer
    x = 117,842.04

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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.