Home / 109,433.26-164,223.75-42,865.13

Finding the Fourth Proportional to 109,433.26, 164,223.75 and 42,865.13

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Solution

The fourth proportional to 109,433.26, 164,223.75 and 42,865.13 is: 64,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,433.26 : 164,223.75 = 42,865.13 : x
  2. Step 2: Convert to fraction form
    109,433.26/164,223.75 = 42,865.13/x
  3. Step 3: Cross multiply
    109,433.26x = 164,223.75 × 42,865.13
  4. Step 4: Simplify right side
    109,433.26x = 7,039,472,000.07
  5. Step 5: Solve for x
    x = 7,039,472,000.07/109,433.26
  6. Step 6: Final answer
    x = 64,326.62

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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.