Home / 125,741.18-173,524.94-72,030.89

Finding the Fourth Proportional to 125,741.18, 173,524.94 and 72,030.89

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Solution

The fourth proportional to 125,741.18, 173,524.94 and 72,030.89 is: 99,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.18 : 173,524.94 = 72,030.89 : x
  2. Step 2: Convert to fraction form
    125,741.18/173,524.94 = 72,030.89/x
  3. Step 3: Cross multiply
    125,741.18x = 173,524.94 × 72,030.89
  4. Step 4: Simplify right side
    125,741.18x = 12,499,155,865.40
  5. Step 5: Solve for x
    x = 12,499,155,865.40/125,741.18
  6. Step 6: Final answer
    x = 99,403.84

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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.