Home / 152,281.69-228,417.78-72,377.18

Finding the Fourth Proportional to 152,281.69, 228,417.78 and 72,377.18

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Solution

The fourth proportional to 152,281.69, 228,417.78 and 72,377.18 is: 108,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,281.69 : 228,417.78 = 72,377.18 : x
  2. Step 2: Convert to fraction form
    152,281.69/228,417.78 = 72,377.18/x
  3. Step 3: Cross multiply
    152,281.69x = 228,417.78 × 72,377.18
  4. Step 4: Simplify right side
    152,281.69x = 16,532,234,778.26
  5. Step 5: Solve for x
    x = 16,532,234,778.26/152,281.69
  6. Step 6: Final answer
    x = 108,563.51

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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.