Home / 166,287.57-229,477.55-90,837.69

Finding the Fourth Proportional to 166,287.57, 229,477.55 and 90,837.69

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Solution

The fourth proportional to 166,287.57, 229,477.55 and 90,837.69 is: 125,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,287.57 : 229,477.55 = 90,837.69 : x
  2. Step 2: Convert to fraction form
    166,287.57/229,477.55 = 90,837.69/x
  3. Step 3: Cross multiply
    166,287.57x = 229,477.55 × 90,837.69
  4. Step 4: Simplify right side
    166,287.57x = 20,845,210,548.86
  5. Step 5: Solve for x
    x = 20,845,210,548.86/166,287.57
  6. Step 6: Final answer
    x = 125,356.40

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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.