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Finding the Fourth Proportional to 144,293.39, 216,483.81 and 69,392.28

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Solution

The fourth proportional to 144,293.39, 216,483.81 and 69,392.28 is: 104,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,293.39 : 216,483.81 = 69,392.28 : x
  2. Step 2: Convert to fraction form
    144,293.39/216,483.81 = 69,392.28/x
  3. Step 3: Cross multiply
    144,293.39x = 216,483.81 × 69,392.28
  4. Step 4: Simplify right side
    144,293.39x = 15,022,305,158.99
  5. Step 5: Solve for x
    x = 15,022,305,158.99/144,293.39
  6. Step 6: Final answer
    x = 104,109.45

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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.