Home / 181,267.31-250,148.75-100,702.34

Finding the Fourth Proportional to 181,267.31, 250,148.75 and 100,702.34

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Solution

The fourth proportional to 181,267.31, 250,148.75 and 100,702.34 is: 138,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,267.31 : 250,148.75 = 100,702.34 : x
  2. Step 2: Convert to fraction form
    181,267.31/250,148.75 = 100,702.34/x
  3. Step 3: Cross multiply
    181,267.31x = 250,148.75 × 100,702.34
  4. Step 4: Simplify right side
    181,267.31x = 25,190,562,718.82
  5. Step 5: Solve for x
    x = 25,190,562,718.82/181,267.31
  6. Step 6: Final answer
    x = 138,969.15

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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.