Home / 152,603.28-228,828.33-72,617.40

Finding the Fourth Proportional to 152,603.28, 228,828.33 and 72,617.40

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Solution

The fourth proportional to 152,603.28, 228,828.33 and 72,617.40 is: 108,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,603.28 : 228,828.33 = 72,617.40 : x
  2. Step 2: Convert to fraction form
    152,603.28/228,828.33 = 72,617.40/x
  3. Step 3: Cross multiply
    152,603.28x = 228,828.33 × 72,617.40
  4. Step 4: Simplify right side
    152,603.28x = 16,616,918,370.94
  5. Step 5: Solve for x
    x = 16,616,918,370.94/152,603.28
  6. Step 6: Final answer
    x = 108,889.65

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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.