Home / 96,666.78-145,025.28-30,108

Finding the Fourth Proportional to 96,666.78, 145,025.28 and 30,108

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Solution

The fourth proportional to 96,666.78, 145,025.28 and 30,108 is: 45,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,666.78 : 145,025.28 = 30,108 : x
  2. Step 2: Convert to fraction form
    96,666.78/145,025.28 = 30,108/x
  3. Step 3: Cross multiply
    96,666.78x = 145,025.28 × 30,108
  4. Step 4: Simplify right side
    96,666.78x = 4,366,421,130.24
  5. Step 5: Solve for x
    x = 4,366,421,130.24/96,666.78
  6. Step 6: Final answer
    x = 45,169.82

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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.