Home / 112,059.48-154,581.90-71,729.82

Finding the Fourth Proportional to 112,059.48, 154,581.90 and 71,729.82

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Solution

The fourth proportional to 112,059.48, 154,581.90 and 71,729.82 is: 98,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,059.48 : 154,581.90 = 71,729.82 : x
  2. Step 2: Convert to fraction form
    112,059.48/154,581.90 = 71,729.82/x
  3. Step 3: Cross multiply
    112,059.48x = 154,581.90 × 71,729.82
  4. Step 4: Simplify right side
    112,059.48x = 11,088,131,862.26
  5. Step 5: Solve for x
    x = 11,088,131,862.26/112,059.48
  6. Step 6: Final answer
    x = 98,948.63

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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.