Home / 110,221.85-152,118.03-62,470.07

Finding the Fourth Proportional to 110,221.85, 152,118.03 and 62,470.07

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Solution

The fourth proportional to 110,221.85, 152,118.03 and 62,470.07 is: 86,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.85 : 152,118.03 = 62,470.07 : x
  2. Step 2: Convert to fraction form
    110,221.85/152,118.03 = 62,470.07/x
  3. Step 3: Cross multiply
    110,221.85x = 152,118.03 × 62,470.07
  4. Step 4: Simplify right side
    110,221.85x = 9,502,823,221.77
  5. Step 5: Solve for x
    x = 9,502,823,221.77/110,221.85
  6. Step 6: Final answer
    x = 86,215.43

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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.