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Finding the Fourth Proportional to 150,000.93, 207,053.37 and 86,364.09

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Solution

The fourth proportional to 150,000.93, 207,053.37 and 86,364.09 is: 119,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,000.93 : 207,053.37 = 86,364.09 : x
  2. Step 2: Convert to fraction form
    150,000.93/207,053.37 = 86,364.09/x
  3. Step 3: Cross multiply
    150,000.93x = 207,053.37 × 86,364.09
  4. Step 4: Simplify right side
    150,000.93x = 17,881,975,881.48
  5. Step 5: Solve for x
    x = 17,881,975,881.48/150,000.93
  6. Step 6: Final answer
    x = 119,212.43

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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.