Home / 136,599.13-188,400.80-121,301.77

Finding the Fourth Proportional to 136,599.13, 188,400.80 and 121,301.77

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Solution

The fourth proportional to 136,599.13, 188,400.80 and 121,301.77 is: 167,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,599.13 : 188,400.80 = 121,301.77 : x
  2. Step 2: Convert to fraction form
    136,599.13/188,400.80 = 121,301.77/x
  3. Step 3: Cross multiply
    136,599.13x = 188,400.80 × 121,301.77
  4. Step 4: Simplify right side
    136,599.13x = 22,853,350,341.67
  5. Step 5: Solve for x
    x = 22,853,350,341.67/136,599.13
  6. Step 6: Final answer
    x = 167,302.32

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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.