Home / 121,746.22-168,006.66-68,031.68

Finding the Fourth Proportional to 121,746.22, 168,006.66 and 68,031.68

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Solution

The fourth proportional to 121,746.22, 168,006.66 and 68,031.68 is: 93,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.22 : 168,006.66 = 68,031.68 : x
  2. Step 2: Convert to fraction form
    121,746.22/168,006.66 = 68,031.68/x
  3. Step 3: Cross multiply
    121,746.22x = 168,006.66 × 68,031.68
  4. Step 4: Simplify right side
    121,746.22x = 11,429,774,865.86
  5. Step 5: Solve for x
    x = 11,429,774,865.86/121,746.22
  6. Step 6: Final answer
    x = 93,881.97

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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.