Home / 132,735.81-183,173.76-72,306.21

Finding the Fourth Proportional to 132,735.81, 183,173.76 and 72,306.21

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Solution

The fourth proportional to 132,735.81, 183,173.76 and 72,306.21 is: 99,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,735.81 : 183,173.76 = 72,306.21 : x
  2. Step 2: Convert to fraction form
    132,735.81/183,173.76 = 72,306.21/x
  3. Step 3: Cross multiply
    132,735.81x = 183,173.76 × 72,306.21
  4. Step 4: Simplify right side
    132,735.81x = 13,244,600,357.05
  5. Step 5: Solve for x
    x = 13,244,600,357.05/132,735.81
  6. Step 6: Final answer
    x = 99,781.67

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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.