Home / 133,095.60-183,673.71-72,665.55

Finding the Fourth Proportional to 133,095.60, 183,673.71 and 72,665.55

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Solution

The fourth proportional to 133,095.60, 183,673.71 and 72,665.55 is: 100,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.60 : 183,673.71 = 72,665.55 : x
  2. Step 2: Convert to fraction form
    133,095.60/183,673.71 = 72,665.55/x
  3. Step 3: Cross multiply
    133,095.60x = 183,673.71 × 72,665.55
  4. Step 4: Simplify right side
    133,095.60x = 13,346,751,157.69
  5. Step 5: Solve for x
    x = 13,346,751,157.69/133,095.60
  6. Step 6: Final answer
    x = 100,279.43

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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.