Home / 157,476.43-217,315.38-85,856.32

Finding the Fourth Proportional to 157,476.43, 217,315.38 and 85,856.32

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Solution

The fourth proportional to 157,476.43, 217,315.38 and 85,856.32 is: 118,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,476.43 : 217,315.38 = 85,856.32 : x
  2. Step 2: Convert to fraction form
    157,476.43/217,315.38 = 85,856.32/x
  3. Step 3: Cross multiply
    157,476.43x = 217,315.38 × 85,856.32
  4. Step 4: Simplify right side
    157,476.43x = 18,657,898,806.20
  5. Step 5: Solve for x
    x = 18,657,898,806.20/157,476.43
  6. Step 6: Final answer
    x = 118,480.58

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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.