Home / 132,366.36-182,667-71,938.02

Finding the Fourth Proportional to 132,366.36, 182,667 and 71,938.02

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Solution

The fourth proportional to 132,366.36, 182,667 and 71,938.02 is: 99,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,366.36 : 182,667 = 71,938.02 : x
  2. Step 2: Convert to fraction form
    132,366.36/182,667 = 71,938.02/x
  3. Step 3: Cross multiply
    132,366.36x = 182,667 × 71,938.02
  4. Step 4: Simplify right side
    132,366.36x = 13,140,702,299.34
  5. Step 5: Solve for x
    x = 13,140,702,299.34/132,366.36
  6. Step 6: Final answer
    x = 99,275.24

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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.