Home / 163,712.36-225,902.84-103,260.18

Finding the Fourth Proportional to 163,712.36, 225,902.84 and 103,260.18

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Solution

The fourth proportional to 163,712.36, 225,902.84 and 103,260.18 is: 142,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,712.36 : 225,902.84 = 103,260.18 : x
  2. Step 2: Convert to fraction form
    163,712.36/225,902.84 = 103,260.18/x
  3. Step 3: Cross multiply
    163,712.36x = 225,902.84 × 103,260.18
  4. Step 4: Simplify right side
    163,712.36x = 23,326,767,920.91
  5. Step 5: Solve for x
    x = 23,326,767,920.91/163,712.36
  6. Step 6: Final answer
    x = 142,486.30

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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.