Home / 132,902.61-183,410.03-72,476.56

Finding the Fourth Proportional to 132,902.61, 183,410.03 and 72,476.56

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Solution

The fourth proportional to 132,902.61, 183,410.03 and 72,476.56 is: 100,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902.61 : 183,410.03 = 72,476.56 : x
  2. Step 2: Convert to fraction form
    132,902.61/183,410.03 = 72,476.56/x
  3. Step 3: Cross multiply
    132,902.61x = 183,410.03 × 72,476.56
  4. Step 4: Simplify right side
    132,902.61x = 13,292,928,043.90
  5. Step 5: Solve for x
    x = 13,292,928,043.90/132,902.61
  6. Step 6: Final answer
    x = 100,020.07

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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.