Home / 90,582.66-135,264.01-73,975.64

Finding the Fourth Proportional to 90,582.66, 135,264.01 and 73,975.64

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Solution

The fourth proportional to 90,582.66, 135,264.01 and 73,975.64 is: 110,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.66 : 135,264.01 = 73,975.64 : x
  2. Step 2: Convert to fraction form
    90,582.66/135,264.01 = 73,975.64/x
  3. Step 3: Cross multiply
    90,582.66x = 135,264.01 × 73,975.64
  4. Step 4: Simplify right side
    90,582.66x = 10,006,240,847.46
  5. Step 5: Solve for x
    x = 10,006,240,847.46/90,582.66
  6. Step 6: Final answer
    x = 110,465.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.