Home / 122,688.34-169,293.45-68,962.66

Finding the Fourth Proportional to 122,688.34, 169,293.45 and 68,962.66

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Solution

The fourth proportional to 122,688.34, 169,293.45 and 68,962.66 is: 95,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688.34 : 169,293.45 = 68,962.66 : x
  2. Step 2: Convert to fraction form
    122,688.34/169,293.45 = 68,962.66/x
  3. Step 3: Cross multiply
    122,688.34x = 169,293.45 × 68,962.66
  4. Step 4: Simplify right side
    122,688.34x = 11,674,926,632.58
  5. Step 5: Solve for x
    x = 11,674,926,632.58/122,688.34
  6. Step 6: Final answer
    x = 95,159.22

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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.