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Finding the Fourth Proportional to 169,772.94, 234,292.98 and 101,800.98

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Solution

The fourth proportional to 169,772.94, 234,292.98 and 101,800.98 is: 140,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,772.94 : 234,292.98 = 101,800.98 : x
  2. Step 2: Convert to fraction form
    169,772.94/234,292.98 = 101,800.98/x
  3. Step 3: Cross multiply
    169,772.94x = 234,292.98 × 101,800.98
  4. Step 4: Simplify right side
    169,772.94x = 23,851,254,971.12
  5. Step 5: Solve for x
    x = 23,851,254,971.12/169,772.94
  6. Step 6: Final answer
    x = 140,489.14

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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.