Home / 147,974.97-204,210.15-84,316.86

Finding the Fourth Proportional to 147,974.97, 204,210.15 and 84,316.86

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Solution

The fourth proportional to 147,974.97, 204,210.15 and 84,316.86 is: 116,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.97 : 204,210.15 = 84,316.86 : x
  2. Step 2: Convert to fraction form
    147,974.97/204,210.15 = 84,316.86/x
  3. Step 3: Cross multiply
    147,974.97x = 204,210.15 × 84,316.86
  4. Step 4: Simplify right side
    147,974.97x = 17,218,358,628.13
  5. Step 5: Solve for x
    x = 17,218,358,628.13/147,974.97
  6. Step 6: Final answer
    x = 116,359.94

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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.