Home / 90,420.17-135,599.04-37,097.09

Finding the Fourth Proportional to 90,420.17, 135,599.04 and 37,097.09

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Solution

The fourth proportional to 90,420.17, 135,599.04 and 37,097.09 is: 55,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,420.17 : 135,599.04 = 37,097.09 : x
  2. Step 2: Convert to fraction form
    90,420.17/135,599.04 = 37,097.09/x
  3. Step 3: Cross multiply
    90,420.17x = 135,599.04 × 37,097.09
  4. Step 4: Simplify right side
    90,420.17x = 5,030,329,112.80
  5. Step 5: Solve for x
    x = 5,030,329,112.80/90,420.17
  6. Step 6: Final answer
    x = 55,632.82

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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.