Home / 147,402.23-203,415.75-83,743.52

Finding the Fourth Proportional to 147,402.23, 203,415.75 and 83,743.52

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Solution

The fourth proportional to 147,402.23, 203,415.75 and 83,743.52 is: 115,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,402.23 : 203,415.75 = 83,743.52 : x
  2. Step 2: Convert to fraction form
    147,402.23/203,415.75 = 83,743.52/x
  3. Step 3: Cross multiply
    147,402.23x = 203,415.75 × 83,743.52
  4. Step 4: Simplify right side
    147,402.23x = 17,034,750,928.44
  5. Step 5: Solve for x
    x = 17,034,750,928.44/147,402.23
  6. Step 6: Final answer
    x = 115,566.44

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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.