Home / 133,011.11-183,549.62-72,580.25

Finding the Fourth Proportional to 133,011.11, 183,549.62 and 72,580.25

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Solution

The fourth proportional to 133,011.11, 183,549.62 and 72,580.25 is: 100,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.11 : 183,549.62 = 72,580.25 : x
  2. Step 2: Convert to fraction form
    133,011.11/183,549.62 = 72,580.25/x
  3. Step 3: Cross multiply
    133,011.11x = 183,549.62 × 72,580.25
  4. Step 4: Simplify right side
    133,011.11x = 13,322,077,307.01
  5. Step 5: Solve for x
    x = 13,322,077,307.01/133,011.11
  6. Step 6: Final answer
    x = 100,157.63

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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.