Home / 84,210.24-116,098.40-69,815.76

Finding the Fourth Proportional to 84,210.24, 116,098.40 and 69,815.76

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Solution

The fourth proportional to 84,210.24, 116,098.40 and 69,815.76 is: 96,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.24 : 116,098.40 = 69,815.76 : x
  2. Step 2: Convert to fraction form
    84,210.24/116,098.40 = 69,815.76/x
  3. Step 3: Cross multiply
    84,210.24x = 116,098.40 × 69,815.76
  4. Step 4: Simplify right side
    84,210.24x = 8,105,498,030.78
  5. Step 5: Solve for x
    x = 8,105,498,030.78/84,210.24
  6. Step 6: Final answer
    x = 96,253.12

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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.