Home / 121,746.03-168,006.29-68,031.49

Finding the Fourth Proportional to 121,746.03, 168,006.29 and 68,031.49

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Solution

The fourth proportional to 121,746.03, 168,006.29 and 68,031.49 is: 93,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.03 : 168,006.29 = 68,031.49 : x
  2. Step 2: Convert to fraction form
    121,746.03/168,006.29 = 68,031.49/x
  3. Step 3: Cross multiply
    121,746.03x = 168,006.29 × 68,031.49
  4. Step 4: Simplify right side
    121,746.03x = 11,429,717,398.04
  5. Step 5: Solve for x
    x = 11,429,717,398.04/121,746.03
  6. Step 6: Final answer
    x = 93,881.65

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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.