Home / 102,212.64-153,263.32-35,634.87

Finding the Fourth Proportional to 102,212.64, 153,263.32 and 35,634.87

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Solution

The fourth proportional to 102,212.64, 153,263.32 and 35,634.87 is: 53,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.64 : 153,263.32 = 35,634.87 : x
  2. Step 2: Convert to fraction form
    102,212.64/153,263.32 = 35,634.87/x
  3. Step 3: Cross multiply
    102,212.64x = 153,263.32 × 35,634.87
  4. Step 4: Simplify right side
    102,212.64x = 5,461,518,394.88
  5. Step 5: Solve for x
    x = 5,461,518,394.88/102,212.64
  6. Step 6: Final answer
    x = 53,432.91

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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.