Home / 220,715.73-304,566.63-123,897.39

Finding the Fourth Proportional to 220,715.73, 304,566.63 and 123,897.39

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Solution

The fourth proportional to 220,715.73, 304,566.63 and 123,897.39 is: 170,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,715.73 : 304,566.63 = 123,897.39 : x
  2. Step 2: Convert to fraction form
    220,715.73/304,566.63 = 123,897.39/x
  3. Step 3: Cross multiply
    220,715.73x = 304,566.63 × 123,897.39
  4. Step 4: Simplify right side
    220,715.73x = 37,735,010,538.10
  5. Step 5: Solve for x
    x = 37,735,010,538.10/220,715.73
  6. Step 6: Final answer
    x = 170,966.57

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1.5x scale

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.