Home / 119,047.23-164,292.57-78,691.01

Finding the Fourth Proportional to 119,047.23, 164,292.57 and 78,691.01

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Solution

The fourth proportional to 119,047.23, 164,292.57 and 78,691.01 is: 108,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,047.23 : 164,292.57 = 78,691.01 : x
  2. Step 2: Convert to fraction form
    119,047.23/164,292.57 = 78,691.01/x
  3. Step 3: Cross multiply
    119,047.23x = 164,292.57 × 78,691.01
  4. Step 4: Simplify right side
    119,047.23x = 12,928,348,063.43
  5. Step 5: Solve for x
    x = 12,928,348,063.43/119,047.23
  6. Step 6: Final answer
    x = 108,598.48

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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.