Home / 199,920.34-275,888.19-112,697.52

Finding the Fourth Proportional to 199,920.34, 275,888.19 and 112,697.52

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Solution

The fourth proportional to 199,920.34, 275,888.19 and 112,697.52 is: 155,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,920.34 : 275,888.19 = 112,697.52 : x
  2. Step 2: Convert to fraction form
    199,920.34/275,888.19 = 112,697.52/x
  3. Step 3: Cross multiply
    199,920.34x = 275,888.19 × 112,697.52
  4. Step 4: Simplify right side
    199,920.34x = 31,091,914,810.29
  5. Step 5: Solve for x
    x = 31,091,914,810.29/199,920.34
  6. Step 6: Final answer
    x = 155,521.52

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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.