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Finding the Fourth Proportional to 114,841.52, 158,463.93 and 65,775.48

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Solution

The fourth proportional to 114,841.52, 158,463.93 and 65,775.48 is: 90,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,841.52 : 158,463.93 = 65,775.48 : x
  2. Step 2: Convert to fraction form
    114,841.52/158,463.93 = 65,775.48/x
  3. Step 3: Cross multiply
    114,841.52x = 158,463.93 × 65,775.48
  4. Step 4: Simplify right side
    114,841.52x = 10,423,041,058.44
  5. Step 5: Solve for x
    x = 10,423,041,058.44/114,841.52
  6. Step 6: Final answer
    x = 90,760.22

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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.