Home / 96,312.36-144,495.12-40,178.86

Finding the Fourth Proportional to 96,312.36, 144,495.12 and 40,178.86

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Solution

The fourth proportional to 96,312.36, 144,495.12 and 40,178.86 is: 60,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.36 : 144,495.12 = 40,178.86 : x
  2. Step 2: Convert to fraction form
    96,312.36/144,495.12 = 40,178.86/x
  3. Step 3: Cross multiply
    96,312.36x = 144,495.12 × 40,178.86
  4. Step 4: Simplify right side
    96,312.36x = 5,805,649,197.16
  5. Step 5: Solve for x
    x = 5,805,649,197.16/96,312.36
  6. Step 6: Final answer
    x = 60,279.38

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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.