Home / 133,159.08-183,760.92-72,731.46

Finding the Fourth Proportional to 133,159.08, 183,760.92 and 72,731.46

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Solution

The fourth proportional to 133,159.08, 183,760.92 and 72,731.46 is: 100,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,159.08 : 183,760.92 = 72,731.46 : x
  2. Step 2: Convert to fraction form
    133,159.08/183,760.92 = 72,731.46/x
  3. Step 3: Cross multiply
    133,159.08x = 183,760.92 × 72,731.46
  4. Step 4: Simplify right side
    133,159.08x = 13,365,200,002.54
  5. Step 5: Solve for x
    x = 13,365,200,002.54/133,159.08
  6. Step 6: Final answer
    x = 100,370.17

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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.