Home / 121,026.10-167,013.06-70,031.76

Finding the Fourth Proportional to 121,026.10, 167,013.06 and 70,031.76

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Solution

The fourth proportional to 121,026.10, 167,013.06 and 70,031.76 is: 96,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,026.10 : 167,013.06 = 70,031.76 : x
  2. Step 2: Convert to fraction form
    121,026.10/167,013.06 = 70,031.76/x
  3. Step 3: Cross multiply
    121,026.10x = 167,013.06 × 70,031.76
  4. Step 4: Simplify right side
    121,026.10x = 11,696,219,645.93
  5. Step 5: Solve for x
    x = 11,696,219,645.93/121,026.10
  6. Step 6: Final answer
    x = 96,642.13

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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.