Home / 145,962.52-201,427.69-78,894.52

Finding the Fourth Proportional to 145,962.52, 201,427.69 and 78,894.52

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Solution

The fourth proportional to 145,962.52, 201,427.69 and 78,894.52 is: 108,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.52 : 201,427.69 = 78,894.52 : x
  2. Step 2: Convert to fraction form
    145,962.52/201,427.69 = 78,894.52/x
  3. Step 3: Cross multiply
    145,962.52x = 201,427.69 × 78,894.52
  4. Step 4: Simplify right side
    145,962.52x = 15,891,540,917.26
  5. Step 5: Solve for x
    x = 15,891,540,917.26/145,962.52
  6. Step 6: Final answer
    x = 108,874.12

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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.