Home / 103,449.06-142,759.65-58,127.22

Finding the Fourth Proportional to 103,449.06, 142,759.65 and 58,127.22

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Solution

The fourth proportional to 103,449.06, 142,759.65 and 58,127.22 is: 80,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,449.06 : 142,759.65 = 58,127.22 : x
  2. Step 2: Convert to fraction form
    103,449.06/142,759.65 = 58,127.22/x
  3. Step 3: Cross multiply
    103,449.06x = 142,759.65 × 58,127.22
  4. Step 4: Simplify right side
    103,449.06x = 8,298,221,582.67
  5. Step 5: Solve for x
    x = 8,298,221,582.67/103,449.06
  6. Step 6: Final answer
    x = 80,215.53

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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.