Home / 106,246.80-159,370.20-99,248.40

Finding the Fourth Proportional to 106,246.80, 159,370.20 and 99,248.40

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Solution

The fourth proportional to 106,246.80, 159,370.20 and 99,248.40 is: 148,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,246.80 : 159,370.20 = 99,248.40 : x
  2. Step 2: Convert to fraction form
    106,246.80/159,370.20 = 99,248.40/x
  3. Step 3: Cross multiply
    106,246.80x = 159,370.20 × 99,248.40
  4. Step 4: Simplify right side
    106,246.80x = 15,817,237,357.68
  5. Step 5: Solve for x
    x = 15,817,237,357.68/106,246.80
  6. Step 6: Final answer
    x = 148,872.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.