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Finding the Fourth Proportional to 180,332.87, 248,839.02 and 99,749.21

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Solution

The fourth proportional to 180,332.87, 248,839.02 and 99,749.21 is: 137,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,332.87 : 248,839.02 = 99,749.21 : x
  2. Step 2: Convert to fraction form
    180,332.87/248,839.02 = 99,749.21/x
  3. Step 3: Cross multiply
    180,332.87x = 248,839.02 × 99,749.21
  4. Step 4: Simplify right side
    180,332.87x = 24,821,494,417.98
  5. Step 5: Solve for x
    x = 24,821,494,417.98/180,332.87
  6. Step 6: Final answer
    x = 137,642.66

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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.