Home / 136,943.95-205,284.70-57,949.51

Finding the Fourth Proportional to 136,943.95, 205,284.70 and 57,949.51

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Solution

The fourth proportional to 136,943.95, 205,284.70 and 57,949.51 is: 86,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,943.95 : 205,284.70 = 57,949.51 : x
  2. Step 2: Convert to fraction form
    136,943.95/205,284.70 = 57,949.51/x
  3. Step 3: Cross multiply
    136,943.95x = 205,284.70 × 57,949.51
  4. Step 4: Simplify right side
    136,943.95x = 11,896,147,775.50
  5. Step 5: Solve for x
    x = 11,896,147,775.50/136,943.95
  6. Step 6: Final answer
    x = 86,868.74

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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.