Home / 132,709.39-183,140.19-72,280.35

Finding the Fourth Proportional to 132,709.39, 183,140.19 and 72,280.35

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Solution

The fourth proportional to 132,709.39, 183,140.19 and 72,280.35 is: 99,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,709.39 : 183,140.19 = 72,280.35 : x
  2. Step 2: Convert to fraction form
    132,709.39/183,140.19 = 72,280.35/x
  3. Step 3: Cross multiply
    132,709.39x = 183,140.19 × 72,280.35
  4. Step 4: Simplify right side
    132,709.39x = 13,237,437,032.27
  5. Step 5: Solve for x
    x = 13,237,437,032.27/132,709.39
  6. Step 6: Final answer
    x = 99,747.56

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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.