Home / 220,948.32-304,909.20-120,344.16

Finding the Fourth Proportional to 220,948.32, 304,909.20 and 120,344.16

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Solution

The fourth proportional to 220,948.32, 304,909.20 and 120,344.16 is: 166,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,948.32 : 304,909.20 = 120,344.16 : x
  2. Step 2: Convert to fraction form
    220,948.32/304,909.20 = 120,344.16/x
  3. Step 3: Cross multiply
    220,948.32x = 304,909.20 × 120,344.16
  4. Step 4: Simplify right side
    220,948.32x = 36,694,041,550.27
  5. Step 5: Solve for x
    x = 36,694,041,550.27/220,948.32
  6. Step 6: Final answer
    x = 166,075.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.