Home / 109,363.91-164,040.40-42,816.24

Finding the Fourth Proportional to 109,363.91, 164,040.40 and 42,816.24

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Solution

The fourth proportional to 109,363.91, 164,040.40 and 42,816.24 is: 64,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.91 : 164,040.40 = 42,816.24 : x
  2. Step 2: Convert to fraction form
    109,363.91/164,040.40 = 42,816.24/x
  3. Step 3: Cross multiply
    109,363.91x = 164,040.40 × 42,816.24
  4. Step 4: Simplify right side
    109,363.91x = 7,023,593,136.10
  5. Step 5: Solve for x
    x = 7,023,593,136.10/109,363.91
  6. Step 6: Final answer
    x = 64,222.22

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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.