Home / 102,215.23-153,354.24-52,330.35

Finding the Fourth Proportional to 102,215.23, 153,354.24 and 52,330.35

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Solution

The fourth proportional to 102,215.23, 153,354.24 and 52,330.35 is: 78,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.23 : 153,354.24 = 52,330.35 : x
  2. Step 2: Convert to fraction form
    102,215.23/153,354.24 = 52,330.35/x
  3. Step 3: Cross multiply
    102,215.23x = 153,354.24 × 52,330.35
  4. Step 4: Simplify right side
    102,215.23x = 8,025,080,791.53
  5. Step 5: Solve for x
    x = 8,025,080,791.53/102,215.23
  6. Step 6: Final answer
    x = 78,511.60

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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.