Home / 112,937.85-169,417.26-80,615.37

Finding the Fourth Proportional to 112,937.85, 169,417.26 and 80,615.37

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Solution

The fourth proportional to 112,937.85, 169,417.26 and 80,615.37 is: 120,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,937.85 : 169,417.26 = 80,615.37 : x
  2. Step 2: Convert to fraction form
    112,937.85/169,417.26 = 80,615.37/x
  3. Step 3: Cross multiply
    112,937.85x = 169,417.26 × 80,615.37
  4. Step 4: Simplify right side
    112,937.85x = 13,657,635,099.29
  5. Step 5: Solve for x
    x = 13,657,635,099.29/112,937.85
  6. Step 6: Final answer
    x = 120,930.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.