Home / 154,644.04-213,400.74-91,016.92

Finding the Fourth Proportional to 154,644.04, 213,400.74 and 91,016.92

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Solution

The fourth proportional to 154,644.04, 213,400.74 and 91,016.92 is: 125,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,644.04 : 213,400.74 = 91,016.92 : x
  2. Step 2: Convert to fraction form
    154,644.04/213,400.74 = 91,016.92/x
  3. Step 3: Cross multiply
    154,644.04x = 213,400.74 × 91,016.92
  4. Step 4: Simplify right side
    154,644.04x = 19,423,078,080.52
  5. Step 5: Solve for x
    x = 19,423,078,080.52/154,644.04
  6. Step 6: Final answer
    x = 125,598.62

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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.