Home / 133,038.90-199,704.15-83,175.30

Finding the Fourth Proportional to 133,038.90, 199,704.15 and 83,175.30

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Solution

The fourth proportional to 133,038.90, 199,704.15 and 83,175.30 is: 124,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.90 : 199,704.15 = 83,175.30 : x
  2. Step 2: Convert to fraction form
    133,038.90/199,704.15 = 83,175.30/x
  3. Step 3: Cross multiply
    133,038.90x = 199,704.15 × 83,175.30
  4. Step 4: Simplify right side
    133,038.90x = 16,610,452,587.50
  5. Step 5: Solve for x
    x = 16,610,452,587.50/133,038.90
  6. Step 6: Final answer
    x = 124,854.10

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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.