Home / 152,605.53-228,831.70-72,619.65

Finding the Fourth Proportional to 152,605.53, 228,831.70 and 72,619.65

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Solution

The fourth proportional to 152,605.53, 228,831.70 and 72,619.65 is: 108,893.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,605.53 : 228,831.70 = 72,619.65 : x
  2. Step 2: Convert to fraction form
    152,605.53/228,831.70 = 72,619.65/x
  3. Step 3: Cross multiply
    152,605.53x = 228,831.70 × 72,619.65
  4. Step 4: Simplify right side
    152,605.53x = 16,617,677,962.91
  5. Step 5: Solve for x
    x = 16,617,677,962.91/152,605.53
  6. Step 6: Final answer
    x = 108,893.03

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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.