Home / 84,351.42-126,522.80-25,187.58

Finding the Fourth Proportional to 84,351.42, 126,522.80 and 25,187.58

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Solution

The fourth proportional to 84,351.42, 126,522.80 and 25,187.58 is: 37,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,351.42 : 126,522.80 = 25,187.58 : x
  2. Step 2: Convert to fraction form
    84,351.42/126,522.80 = 25,187.58/x
  3. Step 3: Cross multiply
    84,351.42x = 126,522.80 × 25,187.58
  4. Step 4: Simplify right side
    84,351.42x = 3,186,803,146.82
  5. Step 5: Solve for x
    x = 3,186,803,146.82/84,351.42
  6. Step 6: Final answer
    x = 37,780.08

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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.