Home / 145,230.48-200,439.72-104,529.20

Finding the Fourth Proportional to 145,230.48, 200,439.72 and 104,529.20

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Solution

The fourth proportional to 145,230.48, 200,439.72 and 104,529.20 is: 144,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,230.48 : 200,439.72 = 104,529.20 : x
  2. Step 2: Convert to fraction form
    145,230.48/200,439.72 = 104,529.20/x
  3. Step 3: Cross multiply
    145,230.48x = 200,439.72 × 104,529.20
  4. Step 4: Simplify right side
    145,230.48x = 20,951,802,577.63
  5. Step 5: Solve for x
    x = 20,951,802,577.63/145,230.48
  6. Step 6: Final answer
    x = 144,265.88

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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.