Home / 144,688.12-217,043.40-43,478.27

Finding the Fourth Proportional to 144,688.12, 217,043.40 and 43,478.27

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Solution

The fourth proportional to 144,688.12, 217,043.40 and 43,478.27 is: 65,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,688.12 : 217,043.40 = 43,478.27 : x
  2. Step 2: Convert to fraction form
    144,688.12/217,043.40 = 43,478.27/x
  3. Step 3: Cross multiply
    144,688.12x = 217,043.40 × 43,478.27
  4. Step 4: Simplify right side
    144,688.12x = 9,436,671,546.92
  5. Step 5: Solve for x
    x = 9,436,671,546.92/144,688.12
  6. Step 6: Final answer
    x = 65,220.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.