Home / 133,175.15-183,774.67-72,744.92

Finding the Fourth Proportional to 133,175.15, 183,774.67 and 72,744.92

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Solution

The fourth proportional to 133,175.15, 183,774.67 and 72,744.92 is: 100,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,175.15 : 183,774.67 = 72,744.92 : x
  2. Step 2: Convert to fraction form
    133,175.15/183,774.67 = 72,744.92/x
  3. Step 3: Cross multiply
    133,175.15x = 183,774.67 × 72,744.92
  4. Step 4: Simplify right side
    133,175.15x = 13,368,673,667.18
  5. Step 5: Solve for x
    x = 13,368,673,667.18/133,175.15
  6. Step 6: Final answer
    x = 100,384.15

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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.