Home / 90,668.04-135,848.52-55,534.30

Finding the Fourth Proportional to 90,668.04, 135,848.52 and 55,534.30

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Solution

The fourth proportional to 90,668.04, 135,848.52 and 55,534.30 is: 83,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.04 : 135,848.52 = 55,534.30 : x
  2. Step 2: Convert to fraction form
    90,668.04/135,848.52 = 55,534.30/x
  3. Step 3: Cross multiply
    90,668.04x = 135,848.52 × 55,534.30
  4. Step 4: Simplify right side
    90,668.04x = 7,544,252,464.24
  5. Step 5: Solve for x
    x = 7,544,252,464.24/90,668.04
  6. Step 6: Final answer
    x = 83,207.41

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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.