Home / 102,360.42-153,467.91-39,127.28

Finding the Fourth Proportional to 102,360.42, 153,467.91 and 39,127.28

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Solution

The fourth proportional to 102,360.42, 153,467.91 and 39,127.28 is: 58,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,360.42 : 153,467.91 = 39,127.28 : x
  2. Step 2: Convert to fraction form
    102,360.42/153,467.91 = 39,127.28/x
  3. Step 3: Cross multiply
    102,360.42x = 153,467.91 × 39,127.28
  4. Step 4: Simplify right side
    102,360.42x = 6,004,781,118.25
  5. Step 5: Solve for x
    x = 6,004,781,118.25/102,360.42
  6. Step 6: Final answer
    x = 58,663.12

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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.