Home / 266,190.12-367,332.72-145,329.18

Finding the Fourth Proportional to 266,190.12, 367,332.72 and 145,329.18

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Solution

The fourth proportional to 266,190.12, 367,332.72 and 145,329.18 is: 200,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,190.12 : 367,332.72 = 145,329.18 : x
  2. Step 2: Convert to fraction form
    266,190.12/367,332.72 = 145,329.18/x
  3. Step 3: Cross multiply
    266,190.12x = 367,332.72 × 145,329.18
  4. Step 4: Simplify right side
    266,190.12x = 53,384,162,984.77
  5. Step 5: Solve for x
    x = 53,384,162,984.77/266,190.12
  6. Step 6: Final answer
    x = 200,549.00

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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.