Home / 90,291.66-135,455.58-62,225.16

Finding the Fourth Proportional to 90,291.66, 135,455.58 and 62,225.16

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Solution

The fourth proportional to 90,291.66, 135,455.58 and 62,225.16 is: 93,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291.66 : 135,455.58 = 62,225.16 : x
  2. Step 2: Convert to fraction form
    90,291.66/135,455.58 = 62,225.16/x
  3. Step 3: Cross multiply
    90,291.66x = 135,455.58 × 62,225.16
  4. Step 4: Simplify right side
    90,291.66x = 8,428,745,138.39
  5. Step 5: Solve for x
    x = 8,428,745,138.39/90,291.66
  6. Step 6: Final answer
    x = 93,350.21

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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.