Home / 134,918.20-202,377.30-72,710.20

Finding the Fourth Proportional to 134,918.20, 202,377.30 and 72,710.20

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Solution

The fourth proportional to 134,918.20, 202,377.30 and 72,710.20 is: 109,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,918.20 : 202,377.30 = 72,710.20 : x
  2. Step 2: Convert to fraction form
    134,918.20/202,377.30 = 72,710.20/x
  3. Step 3: Cross multiply
    134,918.20x = 202,377.30 × 72,710.20
  4. Step 4: Simplify right side
    134,918.20x = 14,714,893,958.46
  5. Step 5: Solve for x
    x = 14,714,893,958.46/134,918.20
  6. Step 6: Final answer
    x = 109,065.30

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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.