Home / 124,278.98-171,504.89-67,690.35

Finding the Fourth Proportional to 124,278.98, 171,504.89 and 67,690.35

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Solution

The fourth proportional to 124,278.98, 171,504.89 and 67,690.35 is: 93,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.98 : 171,504.89 = 67,690.35 : x
  2. Step 2: Convert to fraction form
    124,278.98/171,504.89 = 67,690.35/x
  3. Step 3: Cross multiply
    124,278.98x = 171,504.89 × 67,690.35
  4. Step 4: Simplify right side
    124,278.98x = 11,609,226,200.04
  5. Step 5: Solve for x
    x = 11,609,226,200.04/124,278.98
  6. Step 6: Final answer
    x = 93,412.63

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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.