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Finding the Fourth Proportional to 144,909.84, 199,744.53 and 114,232.92

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Solution

The fourth proportional to 144,909.84, 199,744.53 and 114,232.92 is: 157,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,909.84 : 199,744.53 = 114,232.92 : x
  2. Step 2: Convert to fraction form
    144,909.84/199,744.53 = 114,232.92/x
  3. Step 3: Cross multiply
    144,909.84x = 199,744.53 × 114,232.92
  4. Step 4: Simplify right side
    144,909.84x = 22,817,400,915.93
  5. Step 5: Solve for x
    x = 22,817,400,915.93/144,909.84
  6. Step 6: Final answer
    x = 157,459.29

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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.