Home / 163,587.62-225,731.27-90,972.34

Finding the Fourth Proportional to 163,587.62, 225,731.27 and 90,972.34

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Solution

The fourth proportional to 163,587.62, 225,731.27 and 90,972.34 is: 125,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,587.62 : 225,731.27 = 90,972.34 : x
  2. Step 2: Convert to fraction form
    163,587.62/225,731.27 = 90,972.34/x
  3. Step 3: Cross multiply
    163,587.62x = 225,731.27 × 90,972.34
  4. Step 4: Simplify right side
    163,587.62x = 20,535,301,506.17
  5. Step 5: Solve for x
    x = 20,535,301,506.17/163,587.62
  6. Step 6: Final answer
    x = 125,530.90

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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.