Home / 107,911.07-148,911.83-60,155.20

Finding the Fourth Proportional to 107,911.07, 148,911.83 and 60,155.20

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Solution

The fourth proportional to 107,911.07, 148,911.83 and 60,155.20 is: 83,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.07 : 148,911.83 = 60,155.20 : x
  2. Step 2: Convert to fraction form
    107,911.07/148,911.83 = 60,155.20/x
  3. Step 3: Cross multiply
    107,911.07x = 148,911.83 × 60,155.20
  4. Step 4: Simplify right side
    107,911.07x = 8,957,820,916.02
  5. Step 5: Solve for x
    x = 8,957,820,916.02/107,911.07
  6. Step 6: Final answer
    x = 83,011.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.