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Finding the Fourth Proportional to 163,347.62, 225,417.06 and 90,748.94

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Solution

The fourth proportional to 163,347.62, 225,417.06 and 90,748.94 is: 125,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,347.62 : 225,417.06 = 90,748.94 : x
  2. Step 2: Convert to fraction form
    163,347.62/225,417.06 = 90,748.94/x
  3. Step 3: Cross multiply
    163,347.62x = 225,417.06 × 90,748.94
  4. Step 4: Simplify right side
    163,347.62x = 20,456,358,125.83
  5. Step 5: Solve for x
    x = 20,456,358,125.83/163,347.62
  6. Step 6: Final answer
    x = 125,232.06

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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.