Home / 138,868.08-208,302.10-39,024.24

Finding the Fourth Proportional to 138,868.08, 208,302.10 and 39,024.24

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Solution

The fourth proportional to 138,868.08, 208,302.10 and 39,024.24 is: 58,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,868.08 : 208,302.10 = 39,024.24 : x
  2. Step 2: Convert to fraction form
    138,868.08/208,302.10 = 39,024.24/x
  3. Step 3: Cross multiply
    138,868.08x = 208,302.10 × 39,024.24
  4. Step 4: Simplify right side
    138,868.08x = 8,128,831,142.90
  5. Step 5: Solve for x
    x = 8,128,831,142.90/138,868.08
  6. Step 6: Final answer
    x = 58,536.35

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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.