Home / 103,666.94-155,458.56-40,478.03

Finding the Fourth Proportional to 103,666.94, 155,458.56 and 40,478.03

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Solution

The fourth proportional to 103,666.94, 155,458.56 and 40,478.03 is: 60,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.94 : 155,458.56 = 40,478.03 : x
  2. Step 2: Convert to fraction form
    103,666.94/155,458.56 = 40,478.03/x
  3. Step 3: Cross multiply
    103,666.94x = 155,458.56 × 40,478.03
  4. Step 4: Simplify right side
    103,666.94x = 6,292,656,255.44
  5. Step 5: Solve for x
    x = 6,292,656,255.44/103,666.94
  6. Step 6: Final answer
    x = 60,700.70

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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.