Home / 133,110.77-183,700.30-72,687.02

Finding the Fourth Proportional to 133,110.77, 183,700.30 and 72,687.02

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Solution

The fourth proportional to 133,110.77, 183,700.30 and 72,687.02 is: 100,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,110.77 : 183,700.30 = 72,687.02 : x
  2. Step 2: Convert to fraction form
    133,110.77/183,700.30 = 72,687.02/x
  3. Step 3: Cross multiply
    133,110.77x = 183,700.30 × 72,687.02
  4. Step 4: Simplify right side
    133,110.77x = 13,352,627,380.11
  5. Step 5: Solve for x
    x = 13,352,627,380.11/133,110.77
  6. Step 6: Final answer
    x = 100,312.15

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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.