Home / 145,828.14-200,799.99-120,238.62

Finding the Fourth Proportional to 145,828.14, 200,799.99 and 120,238.62

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Solution

The fourth proportional to 145,828.14, 200,799.99 and 120,238.62 is: 165,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,828.14 : 200,799.99 = 120,238.62 : x
  2. Step 2: Convert to fraction form
    145,828.14/200,799.99 = 120,238.62/x
  3. Step 3: Cross multiply
    145,828.14x = 200,799.99 × 120,238.62
  4. Step 4: Simplify right side
    145,828.14x = 24,143,913,693.61
  5. Step 5: Solve for x
    x = 24,143,913,693.61/145,828.14
  6. Step 6: Final answer
    x = 165,564.16

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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.