Home / 240,764.60-332,254.51-138,789.50

Finding the Fourth Proportional to 240,764.60, 332,254.51 and 138,789.50

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Solution

The fourth proportional to 240,764.60, 332,254.51 and 138,789.50 is: 191,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,764.60 : 332,254.51 = 138,789.50 : x
  2. Step 2: Convert to fraction form
    240,764.60/332,254.51 = 138,789.50/x
  3. Step 3: Cross multiply
    240,764.60x = 332,254.51 × 138,789.50
  4. Step 4: Simplify right side
    240,764.60x = 46,113,435,307.40
  5. Step 5: Solve for x
    x = 46,113,435,307.40/240,764.60
  6. Step 6: Final answer
    x = 191,529.13

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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.