Home / 125,794.18-173,600.25-72,089.56

Finding the Fourth Proportional to 125,794.18, 173,600.25 and 72,089.56

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Solution

The fourth proportional to 125,794.18, 173,600.25 and 72,089.56 is: 99,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,794.18 : 173,600.25 = 72,089.56 : x
  2. Step 2: Convert to fraction form
    125,794.18/173,600.25 = 72,089.56/x
  3. Step 3: Cross multiply
    125,794.18x = 173,600.25 × 72,089.56
  4. Step 4: Simplify right side
    125,794.18x = 12,514,765,638.39
  5. Step 5: Solve for x
    x = 12,514,765,638.39/125,794.18
  6. Step 6: Final answer
    x = 99,486.05

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1.5x scale

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.