Home / 100,875.72-139,195.26-60,033.72

Finding the Fourth Proportional to 100,875.72, 139,195.26 and 60,033.72

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Solution

The fourth proportional to 100,875.72, 139,195.26 and 60,033.72 is: 82,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,875.72 : 139,195.26 = 60,033.72 : x
  2. Step 2: Convert to fraction form
    100,875.72/139,195.26 = 60,033.72/x
  3. Step 3: Cross multiply
    100,875.72x = 139,195.26 × 60,033.72
  4. Step 4: Simplify right side
    100,875.72x = 8,356,409,264.17
  5. Step 5: Solve for x
    x = 8,356,409,264.17/100,875.72
  6. Step 6: Final answer
    x = 82,838.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.