Home / 103,621.26-155,333.46-40,395.08

Finding the Fourth Proportional to 103,621.26, 155,333.46 and 40,395.08

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Solution

The fourth proportional to 103,621.26, 155,333.46 and 40,395.08 is: 60,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.26 : 155,333.46 = 40,395.08 : x
  2. Step 2: Convert to fraction form
    103,621.26/155,333.46 = 40,395.08/x
  3. Step 3: Cross multiply
    103,621.26x = 155,333.46 × 40,395.08
  4. Step 4: Simplify right side
    103,621.26x = 6,274,707,543.38
  5. Step 5: Solve for x
    x = 6,274,707,543.38/103,621.26
  6. Step 6: Final answer
    x = 60,554.25

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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.