Home / 151,725.20-227,587.80-77,075.60

Finding the Fourth Proportional to 151,725.20, 227,587.80 and 77,075.60

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Solution

The fourth proportional to 151,725.20, 227,587.80 and 77,075.60 is: 115,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,725.20 : 227,587.80 = 77,075.60 : x
  2. Step 2: Convert to fraction form
    151,725.20/227,587.80 = 77,075.60/x
  3. Step 3: Cross multiply
    151,725.20x = 227,587.80 × 77,075.60
  4. Step 4: Simplify right side
    151,725.20x = 17,541,466,237.68
  5. Step 5: Solve for x
    x = 17,541,466,237.68/151,725.20
  6. Step 6: Final answer
    x = 115,613.40

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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.