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Finding the Fourth Proportional to 169,705, 234,197.76 and 94,258.36

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Solution

The fourth proportional to 169,705, 234,197.76 and 94,258.36 is: 130,079.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,705 : 234,197.76 = 94,258.36 : x
  2. Step 2: Convert to fraction form
    169,705/234,197.76 = 94,258.36/x
  3. Step 3: Cross multiply
    169,705x = 234,197.76 × 94,258.36
  4. Step 4: Simplify right side
    169,705x = 22,075,096,773.27
  5. Step 5: Solve for x
    x = 22,075,096,773.27/169,705
  6. Step 6: Final answer
    x = 130,079.24

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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.