Home / 122,393.82-169,011.18-76,532.06

Finding the Fourth Proportional to 122,393.82, 169,011.18 and 76,532.06

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Solution

The fourth proportional to 122,393.82, 169,011.18 and 76,532.06 is: 105,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,393.82 : 169,011.18 = 76,532.06 : x
  2. Step 2: Convert to fraction form
    122,393.82/169,011.18 = 76,532.06/x
  3. Step 3: Cross multiply
    122,393.82x = 169,011.18 × 76,532.06
  4. Step 4: Simplify right side
    122,393.82x = 12,934,773,768.43
  5. Step 5: Solve for x
    x = 12,934,773,768.43/122,393.82
  6. Step 6: Final answer
    x = 105,681.59

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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.