Home / 220,112.13-330,006.60-70,266.18

Finding the Fourth Proportional to 220,112.13, 330,006.60 and 70,266.18

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Solution

The fourth proportional to 220,112.13, 330,006.60 and 70,266.18 is: 105,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,112.13 : 330,006.60 = 70,266.18 : x
  2. Step 2: Convert to fraction form
    220,112.13/330,006.60 = 70,266.18/x
  3. Step 3: Cross multiply
    220,112.13x = 330,006.60 × 70,266.18
  4. Step 4: Simplify right side
    220,112.13x = 23,188,303,156.79
  5. Step 5: Solve for x
    x = 23,188,303,156.79/220,112.13
  6. Step 6: Final answer
    x = 105,347.68

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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.