Home / 90,119.23-135,164.65-56,737.10

Finding the Fourth Proportional to 90,119.23, 135,164.65 and 56,737.10

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Solution

The fourth proportional to 90,119.23, 135,164.65 and 56,737.10 is: 85,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,119.23 : 135,164.65 = 56,737.10 : x
  2. Step 2: Convert to fraction form
    90,119.23/135,164.65 = 56,737.10/x
  3. Step 3: Cross multiply
    90,119.23x = 135,164.65 × 56,737.10
  4. Step 4: Simplify right side
    90,119.23x = 7,668,850,263.52
  5. Step 5: Solve for x
    x = 7,668,850,263.52/90,119.23
  6. Step 6: Final answer
    x = 85,096.71

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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.