Home / 102,223.64-140,947.80-69,973.76

Finding the Fourth Proportional to 102,223.64, 140,947.80 and 69,973.76

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Solution

The fourth proportional to 102,223.64, 140,947.80 and 69,973.76 is: 96,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,223.64 : 140,947.80 = 69,973.76 : x
  2. Step 2: Convert to fraction form
    102,223.64/140,947.80 = 69,973.76/x
  3. Step 3: Cross multiply
    102,223.64x = 140,947.80 × 69,973.76
  4. Step 4: Simplify right side
    102,223.64x = 9,862,647,529.73
  5. Step 5: Solve for x
    x = 9,862,647,529.73/102,223.64
  6. Step 6: Final answer
    x = 96,481.08

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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.