Home / 151,302.42-208,734.68-90,036.34

Finding the Fourth Proportional to 151,302.42, 208,734.68 and 90,036.34

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Solution

The fourth proportional to 151,302.42, 208,734.68 and 90,036.34 is: 124,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,302.42 : 208,734.68 = 90,036.34 : x
  2. Step 2: Convert to fraction form
    151,302.42/208,734.68 = 90,036.34/x
  3. Step 3: Cross multiply
    151,302.42x = 208,734.68 × 90,036.34
  4. Step 4: Simplify right side
    151,302.42x = 18,793,707,272.66
  5. Step 5: Solve for x
    x = 18,793,707,272.66/151,302.42
  6. Step 6: Final answer
    x = 124,212.86

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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.