Home / 132,916.28-183,424.77-72,487.31

Finding the Fourth Proportional to 132,916.28, 183,424.77 and 72,487.31

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Solution

The fourth proportional to 132,916.28, 183,424.77 and 72,487.31 is: 100,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.28 : 183,424.77 = 72,487.31 : x
  2. Step 2: Convert to fraction form
    132,916.28/183,424.77 = 72,487.31/x
  3. Step 3: Cross multiply
    132,916.28x = 183,424.77 × 72,487.31
  4. Step 4: Simplify right side
    132,916.28x = 13,295,967,247.54
  5. Step 5: Solve for x
    x = 13,295,967,247.54/132,916.28
  6. Step 6: Final answer
    x = 100,032.65

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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.