Home / 152,282.13-228,475.10-45,668.69

Finding the Fourth Proportional to 152,282.13, 228,475.10 and 45,668.69

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Solution

The fourth proportional to 152,282.13, 228,475.10 and 45,668.69 is: 68,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,282.13 : 228,475.10 = 45,668.69 : x
  2. Step 2: Convert to fraction form
    152,282.13/228,475.10 = 45,668.69/x
  3. Step 3: Cross multiply
    152,282.13x = 228,475.10 × 45,668.69
  4. Step 4: Simplify right side
    152,282.13x = 10,434,158,343.20
  5. Step 5: Solve for x
    x = 10,434,158,343.20/152,282.13
  6. Step 6: Final answer
    x = 68,518.60

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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.