Home / 100,852.59-139,195.26-58,411.13

Finding the Fourth Proportional to 100,852.59, 139,195.26 and 58,411.13

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Solution

The fourth proportional to 100,852.59, 139,195.26 and 58,411.13 is: 80,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.59 : 139,195.26 = 58,411.13 : x
  2. Step 2: Convert to fraction form
    100,852.59/139,195.26 = 58,411.13/x
  3. Step 3: Cross multiply
    100,852.59x = 139,195.26 × 58,411.13
  4. Step 4: Simplify right side
    100,852.59x = 8,130,551,731.27
  5. Step 5: Solve for x
    x = 8,130,551,731.27/100,852.59
  6. Step 6: Final answer
    x = 80,618.17

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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.