Home / 133,113.77-183,704.44-72,690.02

Finding the Fourth Proportional to 133,113.77, 183,704.44 and 72,690.02

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Solution

The fourth proportional to 133,113.77, 183,704.44 and 72,690.02 is: 100,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,113.77 : 183,704.44 = 72,690.02 : x
  2. Step 2: Convert to fraction form
    133,113.77/183,704.44 = 72,690.02/x
  3. Step 3: Cross multiply
    133,113.77x = 183,704.44 × 72,690.02
  4. Step 4: Simplify right side
    133,113.77x = 13,353,479,417.69
  5. Step 5: Solve for x
    x = 13,353,479,417.69/133,113.77
  6. Step 6: Final answer
    x = 100,316.29

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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.