Home / 90,937.32-136,405.44-34,764.36

Finding the Fourth Proportional to 90,937.32, 136,405.44 and 34,764.36

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Solution

The fourth proportional to 90,937.32, 136,405.44 and 34,764.36 is: 52,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,937.32 : 136,405.44 = 34,764.36 : x
  2. Step 2: Convert to fraction form
    90,937.32/136,405.44 = 34,764.36/x
  3. Step 3: Cross multiply
    90,937.32x = 136,405.44 × 34,764.36
  4. Step 4: Simplify right side
    90,937.32x = 4,742,047,822.12
  5. Step 5: Solve for x
    x = 4,742,047,822.12/90,937.32
  6. Step 6: Final answer
    x = 52,146.33

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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.