Home / 220,116.45-330,158.52-70,316.51

Finding the Fourth Proportional to 220,116.45, 330,158.52 and 70,316.51

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Solution

The fourth proportional to 220,116.45, 330,158.52 and 70,316.51 is: 105,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,116.45 : 330,158.52 = 70,316.51 : x
  2. Step 2: Convert to fraction form
    220,116.45/330,158.52 = 70,316.51/x
  3. Step 3: Cross multiply
    220,116.45x = 330,158.52 × 70,316.51
  4. Step 4: Simplify right side
    220,116.45x = 23,215,594,873.17
  5. Step 5: Solve for x
    x = 23,215,594,873.17/220,116.45
  6. Step 6: Final answer
    x = 105,469.60

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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.