Home / 220,501.63-330,336.23-130,275.12

Finding the Fourth Proportional to 220,501.63, 330,336.23 and 130,275.12

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Solution

The fourth proportional to 220,501.63, 330,336.23 and 130,275.12 is: 195,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,501.63 : 330,336.23 = 130,275.12 : x
  2. Step 2: Convert to fraction form
    220,501.63/330,336.23 = 130,275.12/x
  3. Step 3: Cross multiply
    220,501.63x = 330,336.23 × 130,275.12
  4. Step 4: Simplify right side
    220,501.63x = 43,034,590,351.92
  5. Step 5: Solve for x
    x = 43,034,590,351.92/220,501.63
  6. Step 6: Final answer
    x = 195,166.77

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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.