Home / 220,013.98-330,018.18-70,252.36

Finding the Fourth Proportional to 220,013.98, 330,018.18 and 70,252.36

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Solution

The fourth proportional to 220,013.98, 330,018.18 and 70,252.36 is: 105,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,013.98 : 330,018.18 = 70,252.36 : x
  2. Step 2: Convert to fraction form
    220,013.98/330,018.18 = 70,252.36/x
  3. Step 3: Cross multiply
    220,013.98x = 330,018.18 × 70,252.36
  4. Step 4: Simplify right side
    220,013.98x = 23,184,555,987.90
  5. Step 5: Solve for x
    x = 23,184,555,987.90/220,013.98
  6. Step 6: Final answer
    x = 105,377.65

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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.