Home / 145,265.36-200,474.76-109,392.08

Finding the Fourth Proportional to 145,265.36, 200,474.76 and 109,392.08

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Solution

The fourth proportional to 145,265.36, 200,474.76 and 109,392.08 is: 150,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,265.36 : 200,474.76 = 109,392.08 : x
  2. Step 2: Convert to fraction form
    145,265.36/200,474.76 = 109,392.08/x
  3. Step 3: Cross multiply
    145,265.36x = 200,474.76 × 109,392.08
  4. Step 4: Simplify right side
    145,265.36x = 21,930,350,983.90
  5. Step 5: Solve for x
    x = 21,930,350,983.90/145,265.36
  6. Step 6: Final answer
    x = 150,967.52

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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.