Home / 133,150.32-183,752.90-76,561.70

Finding the Fourth Proportional to 133,150.32, 183,752.90 and 76,561.70

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Solution

The fourth proportional to 133,150.32, 183,752.90 and 76,561.70 is: 105,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,150.32 : 183,752.90 = 76,561.70 : x
  2. Step 2: Convert to fraction form
    133,150.32/183,752.90 = 76,561.70/x
  3. Step 3: Cross multiply
    133,150.32x = 183,752.90 × 76,561.70
  4. Step 4: Simplify right side
    133,150.32x = 14,068,433,102.36
  5. Step 5: Solve for x
    x = 14,068,433,102.36/133,150.32
  6. Step 6: Final answer
    x = 105,658.27

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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.