Home / 102,752.20-154,274.10-63,386.20

Finding the Fourth Proportional to 102,752.20, 154,274.10 and 63,386.20

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Solution

The fourth proportional to 102,752.20, 154,274.10 and 63,386.20 is: 95,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,752.20 : 154,274.10 = 63,386.20 : x
  2. Step 2: Convert to fraction form
    102,752.20/154,274.10 = 63,386.20/x
  3. Step 3: Cross multiply
    102,752.20x = 154,274.10 × 63,386.20
  4. Step 4: Simplify right side
    102,752.20x = 9,778,848,957.42
  5. Step 5: Solve for x
    x = 9,778,848,957.42/102,752.20
  6. Step 6: Final answer
    x = 95,169.24

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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.