Home / 100,237.36-138,391.32-62,566.96

Finding the Fourth Proportional to 100,237.36, 138,391.32 and 62,566.96

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Solution

The fourth proportional to 100,237.36, 138,391.32 and 62,566.96 is: 86,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,237.36 : 138,391.32 = 62,566.96 : x
  2. Step 2: Convert to fraction form
    100,237.36/138,391.32 = 62,566.96/x
  3. Step 3: Cross multiply
    100,237.36x = 138,391.32 × 62,566.96
  4. Step 4: Simplify right side
    100,237.36x = 8,658,724,182.79
  5. Step 5: Solve for x
    x = 8,658,724,182.79/100,237.36
  6. Step 6: Final answer
    x = 86,382.21

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1.5x scale

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.