Home / 184,870.31-276,575.85-140,020.91

Finding the Fourth Proportional to 184,870.31, 276,575.85 and 140,020.91

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Solution

The fourth proportional to 184,870.31, 276,575.85 and 140,020.91 is: 209,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,870.31 : 276,575.85 = 140,020.91 : x
  2. Step 2: Convert to fraction form
    184,870.31/276,575.85 = 140,020.91/x
  3. Step 3: Cross multiply
    184,870.31x = 276,575.85 × 140,020.91
  4. Step 4: Simplify right side
    184,870.31x = 38,726,400,818.14
  5. Step 5: Solve for x
    x = 38,726,400,818.14/184,870.31
  6. Step 6: Final answer
    x = 209,478.75

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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.