Home / 154,621.02-213,373.40-90,962.92

Finding the Fourth Proportional to 154,621.02, 213,373.40 and 90,962.92

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Solution

The fourth proportional to 154,621.02, 213,373.40 and 90,962.92 is: 125,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621.02 : 213,373.40 = 90,962.92 : x
  2. Step 2: Convert to fraction form
    154,621.02/213,373.40 = 90,962.92/x
  3. Step 3: Cross multiply
    154,621.02x = 213,373.40 × 90,962.92
  4. Step 4: Simplify right side
    154,621.02x = 19,409,067,514.33
  5. Step 5: Solve for x
    x = 19,409,067,514.33/154,621.02
  6. Step 6: Final answer
    x = 125,526.71

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1.5x scale

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.