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Finding the Fourth Proportional to 180,259.77, 248,757.03 and 99,690.69

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Solution

The fourth proportional to 180,259.77, 248,757.03 and 99,690.69 is: 137,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,259.77 : 248,757.03 = 99,690.69 : x
  2. Step 2: Convert to fraction form
    180,259.77/248,757.03 = 99,690.69/x
  3. Step 3: Cross multiply
    180,259.77x = 248,757.03 × 99,690.69
  4. Step 4: Simplify right side
    180,259.77x = 24,798,759,963.05
  5. Step 5: Solve for x
    x = 24,798,759,963.05/180,259.77
  6. Step 6: Final answer
    x = 137,572.35

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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.