Home / 90,349.15-135,433.51-60,388.62

Finding the Fourth Proportional to 90,349.15, 135,433.51 and 60,388.62

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Solution

The fourth proportional to 90,349.15, 135,433.51 and 60,388.62 is: 90,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,349.15 : 135,433.51 = 60,388.62 : x
  2. Step 2: Convert to fraction form
    90,349.15/135,433.51 = 60,388.62/x
  3. Step 3: Cross multiply
    90,349.15x = 135,433.51 × 60,388.62
  4. Step 4: Simplify right side
    90,349.15x = 8,178,642,468.71
  5. Step 5: Solve for x
    x = 8,178,642,468.71/90,349.15
  6. Step 6: Final answer
    x = 90,522.63

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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.