Home / 134,974.20-202,461.30-90,737.40

Finding the Fourth Proportional to 134,974.20, 202,461.30 and 90,737.40

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Solution

The fourth proportional to 134,974.20, 202,461.30 and 90,737.40 is: 136,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,974.20 : 202,461.30 = 90,737.40 : x
  2. Step 2: Convert to fraction form
    134,974.20/202,461.30 = 90,737.40/x
  3. Step 3: Cross multiply
    134,974.20x = 202,461.30 × 90,737.40
  4. Step 4: Simplify right side
    134,974.20x = 18,370,811,962.62
  5. Step 5: Solve for x
    x = 18,370,811,962.62/134,974.20
  6. Step 6: Final answer
    x = 136,106.10

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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.