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Finding the Fourth Proportional to 144,888.67, 199,946.10 and 81,226.45

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Solution

The fourth proportional to 144,888.67, 199,946.10 and 81,226.45 is: 112,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,888.67 : 199,946.10 = 81,226.45 : x
  2. Step 2: Convert to fraction form
    144,888.67/199,946.10 = 81,226.45/x
  3. Step 3: Cross multiply
    144,888.67x = 199,946.10 × 81,226.45
  4. Step 4: Simplify right side
    144,888.67x = 16,240,911,894.35
  5. Step 5: Solve for x
    x = 16,240,911,894.35/144,888.67
  6. Step 6: Final answer
    x = 112,092.35

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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.