Home / 109,853.40-164,780.10-62,614.20

Finding the Fourth Proportional to 109,853.40, 164,780.10 and 62,614.20

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Solution

The fourth proportional to 109,853.40, 164,780.10 and 62,614.20 is: 93,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,853.40 : 164,780.10 = 62,614.20 : x
  2. Step 2: Convert to fraction form
    109,853.40/164,780.10 = 62,614.20/x
  3. Step 3: Cross multiply
    109,853.40x = 164,780.10 × 62,614.20
  4. Step 4: Simplify right side
    109,853.40x = 10,317,574,137.42
  5. Step 5: Solve for x
    x = 10,317,574,137.42/109,853.40
  6. Step 6: Final answer
    x = 93,921.30

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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.