Home / 220,116.95-330,159.27-70,317.02

Finding the Fourth Proportional to 220,116.95, 330,159.27 and 70,317.02

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Solution

The fourth proportional to 220,116.95, 330,159.27 and 70,317.02 is: 105,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,116.95 : 330,159.27 = 70,317.02 : x
  2. Step 2: Convert to fraction form
    220,116.95/330,159.27 = 70,317.02/x
  3. Step 3: Cross multiply
    220,116.95x = 330,159.27 × 70,317.02
  4. Step 4: Simplify right side
    220,116.95x = 23,215,814,340.98
  5. Step 5: Solve for x
    x = 23,215,814,340.98/220,116.95
  6. Step 6: Final answer
    x = 105,470.36

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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.