Home / 127,248.20-190,950.30-52,404.20

Finding the Fourth Proportional to 127,248.20, 190,950.30 and 52,404.20

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Solution

The fourth proportional to 127,248.20, 190,950.30 and 52,404.20 is: 78,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,248.20 : 190,950.30 = 52,404.20 : x
  2. Step 2: Convert to fraction form
    127,248.20/190,950.30 = 52,404.20/x
  3. Step 3: Cross multiply
    127,248.20x = 190,950.30 × 52,404.20
  4. Step 4: Simplify right side
    127,248.20x = 10,006,597,711.26
  5. Step 5: Solve for x
    x = 10,006,597,711.26/127,248.20
  6. Step 6: Final answer
    x = 78,638.42

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1.5x scale

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.