Home / 125,271.62-172,881.90-74,314.52

Finding the Fourth Proportional to 125,271.62, 172,881.90 and 74,314.52

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Solution

The fourth proportional to 125,271.62, 172,881.90 and 74,314.52 is: 102,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,271.62 : 172,881.90 = 74,314.52 : x
  2. Step 2: Convert to fraction form
    125,271.62/172,881.90 = 74,314.52/x
  3. Step 3: Cross multiply
    125,271.62x = 172,881.90 × 74,314.52
  4. Step 4: Simplify right side
    125,271.62x = 12,847,634,550.78
  5. Step 5: Solve for x
    x = 12,847,634,550.78/125,271.62
  6. Step 6: Final answer
    x = 102,558.23

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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.