Home / 121,026.77-181,151.96-64,726.10

Finding the Fourth Proportional to 121,026.77, 181,151.96 and 64,726.10

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Solution

The fourth proportional to 121,026.77, 181,151.96 and 64,726.10 is: 96,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,026.77 : 181,151.96 = 64,726.10 : x
  2. Step 2: Convert to fraction form
    121,026.77/181,151.96 = 64,726.10/x
  3. Step 3: Cross multiply
    121,026.77x = 181,151.96 × 64,726.10
  4. Step 4: Simplify right side
    121,026.77x = 11,725,258,648.77
  5. Step 5: Solve for x
    x = 11,725,258,648.77/121,026.77
  6. Step 6: Final answer
    x = 96,881.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.