Home / 137,250.11-205,835.55-47,289.15

Finding the Fourth Proportional to 137,250.11, 205,835.55 and 47,289.15

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Solution

The fourth proportional to 137,250.11, 205,835.55 and 47,289.15 is: 70,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,250.11 : 205,835.55 = 47,289.15 : x
  2. Step 2: Convert to fraction form
    137,250.11/205,835.55 = 47,289.15/x
  3. Step 3: Cross multiply
    137,250.11x = 205,835.55 × 47,289.15
  4. Step 4: Simplify right side
    137,250.11x = 9,733,788,199.28
  5. Step 5: Solve for x
    x = 9,733,788,199.28/137,250.11
  6. Step 6: Final answer
    x = 70,920.08

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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.