Home / 252,336.87-348,225.21-137,615.76

Finding the Fourth Proportional to 252,336.87, 348,225.21 and 137,615.76

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Solution

The fourth proportional to 252,336.87, 348,225.21 and 137,615.76 is: 189,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,336.87 : 348,225.21 = 137,615.76 : x
  2. Step 2: Convert to fraction form
    252,336.87/348,225.21 = 137,615.76/x
  3. Step 3: Cross multiply
    252,336.87x = 348,225.21 × 137,615.76
  4. Step 4: Simplify right side
    252,336.87x = 47,921,276,925.31
  5. Step 5: Solve for x
    x = 47,921,276,925.31/252,336.87
  6. Step 6: Final answer
    x = 189,909.93

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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.