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Finding the Fourth Proportional to 169,510, 233,923.80 and 94,070.64

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Solution

The fourth proportional to 169,510, 233,923.80 and 94,070.64 is: 129,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,510 : 233,923.80 = 94,070.64 : x
  2. Step 2: Convert to fraction form
    169,510/233,923.80 = 94,070.64/x
  3. Step 3: Cross multiply
    169,510x = 233,923.80 × 94,070.64
  4. Step 4: Simplify right side
    169,510x = 22,005,361,577.23
  5. Step 5: Solve for x
    x = 22,005,361,577.23/169,510
  6. Step 6: Final answer
    x = 129,817.48

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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.