Home / 136,130.72-204,254.52-47,335.80

Finding the Fourth Proportional to 136,130.72, 204,254.52 and 47,335.80

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Solution

The fourth proportional to 136,130.72, 204,254.52 and 47,335.80 is: 71,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,130.72 : 204,254.52 = 47,335.80 : x
  2. Step 2: Convert to fraction form
    136,130.72/204,254.52 = 47,335.80/x
  3. Step 3: Cross multiply
    136,130.72x = 204,254.52 × 47,335.80
  4. Step 4: Simplify right side
    136,130.72x = 9,668,551,107.82
  5. Step 5: Solve for x
    x = 9,668,551,107.82/136,130.72
  6. Step 6: Final answer
    x = 71,024.02

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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.