Home / 266,030.39-367,129.75-145,179.47

Finding the Fourth Proportional to 266,030.39, 367,129.75 and 145,179.47

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Solution

The fourth proportional to 266,030.39, 367,129.75 and 145,179.47 is: 200,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.39 : 367,129.75 = 145,179.47 : x
  2. Step 2: Convert to fraction form
    266,030.39/367,129.75 = 145,179.47/x
  3. Step 3: Cross multiply
    266,030.39x = 367,129.75 × 145,179.47
  4. Step 4: Simplify right side
    266,030.39x = 53,299,703,353.32
  5. Step 5: Solve for x
    x = 53,299,703,353.32/266,030.39
  6. Step 6: Final answer
    x = 200,351.93

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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.