Home / 96,156.24-144,038.52-78,450

Finding the Fourth Proportional to 96,156.24, 144,038.52 and 78,450

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Solution

The fourth proportional to 96,156.24, 144,038.52 and 78,450 is: 117,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,156.24 : 144,038.52 = 78,450 : x
  2. Step 2: Convert to fraction form
    96,156.24/144,038.52 = 78,450/x
  3. Step 3: Cross multiply
    96,156.24x = 144,038.52 × 78,450
  4. Step 4: Simplify right side
    96,156.24x = 11,299,821,894
  5. Step 5: Solve for x
    x = 11,299,821,894/96,156.24
  6. Step 6: Final answer
    x = 117,515.22

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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.