Home / 132,708.42-183,139.92-75,346.25

Finding the Fourth Proportional to 132,708.42, 183,139.92 and 75,346.25

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Solution

The fourth proportional to 132,708.42, 183,139.92 and 75,346.25 is: 103,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,708.42 : 183,139.92 = 75,346.25 : x
  2. Step 2: Convert to fraction form
    132,708.42/183,139.92 = 75,346.25/x
  3. Step 3: Cross multiply
    132,708.42x = 183,139.92 × 75,346.25
  4. Step 4: Simplify right side
    132,708.42x = 13,798,905,281.60
  5. Step 5: Solve for x
    x = 13,798,905,281.60/132,708.42
  6. Step 6: Final answer
    x = 103,979.12

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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.