Home / 113,821.40-170,732.10-39,949.40

Finding the Fourth Proportional to 113,821.40, 170,732.10 and 39,949.40

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Solution

The fourth proportional to 113,821.40, 170,732.10 and 39,949.40 is: 59,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.40 : 170,732.10 = 39,949.40 : x
  2. Step 2: Convert to fraction form
    113,821.40/170,732.10 = 39,949.40/x
  3. Step 3: Cross multiply
    113,821.40x = 170,732.10 × 39,949.40
  4. Step 4: Simplify right side
    113,821.40x = 6,820,644,955.74
  5. Step 5: Solve for x
    x = 6,820,644,955.74/113,821.40
  6. Step 6: Final answer
    x = 59,924.10

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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.