Home / 103,634.02-143,008.50-58,306.42

Finding the Fourth Proportional to 103,634.02, 143,008.50 and 58,306.42

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Solution

The fourth proportional to 103,634.02, 143,008.50 and 58,306.42 is: 80,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.02 : 143,008.50 = 58,306.42 : x
  2. Step 2: Convert to fraction form
    103,634.02/143,008.50 = 58,306.42/x
  3. Step 3: Cross multiply
    103,634.02x = 143,008.50 × 58,306.42
  4. Step 4: Simplify right side
    103,634.02x = 8,338,313,664.57
  5. Step 5: Solve for x
    x = 8,338,313,664.57/103,634.02
  6. Step 6: Final answer
    x = 80,459.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.