Home / 90,204.16-135,303.44-42,853.33

Finding the Fourth Proportional to 90,204.16, 135,303.44 and 42,853.33

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Solution

The fourth proportional to 90,204.16, 135,303.44 and 42,853.33 is: 64,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,204.16 : 135,303.44 = 42,853.33 : x
  2. Step 2: Convert to fraction form
    90,204.16/135,303.44 = 42,853.33/x
  3. Step 3: Cross multiply
    90,204.16x = 135,303.44 × 42,853.33
  4. Step 4: Simplify right side
    90,204.16x = 5,798,202,964.46
  5. Step 5: Solve for x
    x = 5,798,202,964.46/90,204.16
  6. Step 6: Final answer
    x = 64,278.66

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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.