Home / 103,977.83-155,966.71-40,827.67

Finding the Fourth Proportional to 103,977.83, 155,966.71 and 40,827.67

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Solution

The fourth proportional to 103,977.83, 155,966.71 and 40,827.67 is: 61,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.83 : 155,966.71 = 40,827.67 : x
  2. Step 2: Convert to fraction form
    103,977.83/155,966.71 = 40,827.67/x
  3. Step 3: Cross multiply
    103,977.83x = 155,966.71 × 40,827.67
  4. Step 4: Simplify right side
    103,977.83x = 6,367,757,366.87
  5. Step 5: Solve for x
    x = 6,367,757,366.87/103,977.83
  6. Step 6: Final answer
    x = 61,241.49

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1.5x scale

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.