Home / 106,823.28-147,427.20-61,502.88

Finding the Fourth Proportional to 106,823.28, 147,427.20 and 61,502.88

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Solution

The fourth proportional to 106,823.28, 147,427.20 and 61,502.88 is: 84,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,823.28 : 147,427.20 = 61,502.88 : x
  2. Step 2: Convert to fraction form
    106,823.28/147,427.20 = 61,502.88/x
  3. Step 3: Cross multiply
    106,823.28x = 147,427.20 × 61,502.88
  4. Step 4: Simplify right side
    106,823.28x = 9,067,197,390.34
  5. Step 5: Solve for x
    x = 9,067,197,390.34/106,823.28
  6. Step 6: Final answer
    x = 84,880.35

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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.