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Finding the Fourth Proportional to 192,426.98, 265,543.52 and 107,543.84

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Solution

The fourth proportional to 192,426.98, 265,543.52 and 107,543.84 is: 148,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,426.98 : 265,543.52 = 107,543.84 : x
  2. Step 2: Convert to fraction form
    192,426.98/265,543.52 = 107,543.84/x
  3. Step 3: Cross multiply
    192,426.98x = 265,543.52 × 107,543.84
  4. Step 4: Simplify right side
    192,426.98x = 28,557,567,962.48
  5. Step 5: Solve for x
    x = 28,557,567,962.48/192,426.98
  6. Step 6: Final answer
    x = 148,407.30

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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.