Home / 136,518.88-204,637.86-52,259.20

Finding the Fourth Proportional to 136,518.88, 204,637.86 and 52,259.20

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Solution

The fourth proportional to 136,518.88, 204,637.86 and 52,259.20 is: 78,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.88 : 204,637.86 = 52,259.20 : x
  2. Step 2: Convert to fraction form
    136,518.88/204,637.86 = 52,259.20/x
  3. Step 3: Cross multiply
    136,518.88x = 204,637.86 × 52,259.20
  4. Step 4: Simplify right side
    136,518.88x = 10,694,210,853.31
  5. Step 5: Solve for x
    x = 10,694,210,853.31/136,518.88
  6. Step 6: Final answer
    x = 78,335.03

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1.5x scale

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.