Home / 167,612.29-251,412.80-72,842.47

Finding the Fourth Proportional to 167,612.29, 251,412.80 and 72,842.47

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Solution

The fourth proportional to 167,612.29, 251,412.80 and 72,842.47 is: 109,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,612.29 : 251,412.80 = 72,842.47 : x
  2. Step 2: Convert to fraction form
    167,612.29/251,412.80 = 72,842.47/x
  3. Step 3: Cross multiply
    167,612.29x = 251,412.80 × 72,842.47
  4. Step 4: Simplify right side
    167,612.29x = 18,313,528,348.87
  5. Step 5: Solve for x
    x = 18,313,528,348.87/167,612.29
  6. Step 6: Final answer
    x = 109,261.25

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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.