Home / 136,151.95-187,929.26-90,829.82

Finding the Fourth Proportional to 136,151.95, 187,929.26 and 90,829.82

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Solution

The fourth proportional to 136,151.95, 187,929.26 and 90,829.82 is: 125,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,151.95 : 187,929.26 = 90,829.82 : x
  2. Step 2: Convert to fraction form
    136,151.95/187,929.26 = 90,829.82/x
  3. Step 3: Cross multiply
    136,151.95x = 187,929.26 × 90,829.82
  4. Step 4: Simplify right side
    136,151.95x = 17,069,580,427.87
  5. Step 5: Solve for x
    x = 17,069,580,427.87/136,151.95
  6. Step 6: Final answer
    x = 125,371.55

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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.