Home / 144,938.25-199,946.70-102,520.17

Finding the Fourth Proportional to 144,938.25, 199,946.70 and 102,520.17

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Solution

The fourth proportional to 144,938.25, 199,946.70 and 102,520.17 is: 141,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.25 : 199,946.70 = 102,520.17 : x
  2. Step 2: Convert to fraction form
    144,938.25/199,946.70 = 102,520.17/x
  3. Step 3: Cross multiply
    144,938.25x = 199,946.70 × 102,520.17
  4. Step 4: Simplify right side
    144,938.25x = 20,498,569,674.94
  5. Step 5: Solve for x
    x = 20,498,569,674.94/144,938.25
  6. Step 6: Final answer
    x = 141,429.68

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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.