Home / 163,232.67-225,261.55-90,635.72

Finding the Fourth Proportional to 163,232.67, 225,261.55 and 90,635.72

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Solution

The fourth proportional to 163,232.67, 225,261.55 and 90,635.72 is: 125,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,232.67 : 225,261.55 = 90,635.72 : x
  2. Step 2: Convert to fraction form
    163,232.67/225,261.55 = 90,635.72/x
  3. Step 3: Cross multiply
    163,232.67x = 225,261.55 × 90,635.72
  4. Step 4: Simplify right side
    163,232.67x = 20,416,742,209.41
  5. Step 5: Solve for x
    x = 20,416,742,209.41/163,232.67
  6. Step 6: Final answer
    x = 125,077.55

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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.