Home / 106,300.20-159,450.30-89,711.40

Finding the Fourth Proportional to 106,300.20, 159,450.30 and 89,711.40

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Solution

The fourth proportional to 106,300.20, 159,450.30 and 89,711.40 is: 134,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,300.20 : 159,450.30 = 89,711.40 : x
  2. Step 2: Convert to fraction form
    106,300.20/159,450.30 = 89,711.40/x
  3. Step 3: Cross multiply
    106,300.20x = 159,450.30 × 89,711.40
  4. Step 4: Simplify right side
    106,300.20x = 14,304,509,643.42
  5. Step 5: Solve for x
    x = 14,304,509,643.42/106,300.20
  6. Step 6: Final answer
    x = 134,567.10

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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.