Home / 105,026.22-144,937.35-57,279.42

Finding the Fourth Proportional to 105,026.22, 144,937.35 and 57,279.42

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Solution

The fourth proportional to 105,026.22, 144,937.35 and 57,279.42 is: 79,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.22 : 144,937.35 = 57,279.42 : x
  2. Step 2: Convert to fraction form
    105,026.22/144,937.35 = 57,279.42/x
  3. Step 3: Cross multiply
    105,026.22x = 144,937.35 × 57,279.42
  4. Step 4: Simplify right side
    105,026.22x = 8,301,927,344.34
  5. Step 5: Solve for x
    x = 8,301,927,344.34/105,026.22
  6. Step 6: Final answer
    x = 79,046.24

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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.