Home / 110,222.80-152,169.84-84,332.56

Finding the Fourth Proportional to 110,222.80, 152,169.84 and 84,332.56

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Solution

The fourth proportional to 110,222.80, 152,169.84 and 84,332.56 is: 116,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,222.80 : 152,169.84 = 84,332.56 : x
  2. Step 2: Convert to fraction form
    110,222.80/152,169.84 = 84,332.56/x
  3. Step 3: Cross multiply
    110,222.80x = 152,169.84 × 84,332.56
  4. Step 4: Simplify right side
    110,222.80x = 12,832,872,161.99
  5. Step 5: Solve for x
    x = 12,832,872,161.99/110,222.80
  6. Step 6: Final answer
    x = 116,426.66

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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.