Home / 112,946.85-169,430.76-80,624.37

Finding the Fourth Proportional to 112,946.85, 169,430.76 and 80,624.37

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Solution

The fourth proportional to 112,946.85, 169,430.76 and 80,624.37 is: 120,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.85 : 169,430.76 = 80,624.37 : x
  2. Step 2: Convert to fraction form
    112,946.85/169,430.76 = 80,624.37/x
  3. Step 3: Cross multiply
    112,946.85x = 169,430.76 × 80,624.37
  4. Step 4: Simplify right side
    112,946.85x = 13,660,248,283.62
  5. Step 5: Solve for x
    x = 13,660,248,283.62/112,946.85
  6. Step 6: Final answer
    x = 120,944.04

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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.