Home / 147,740.61-205,258.46-145,969.14

Finding the Fourth Proportional to 147,740.61, 205,258.46 and 145,969.14

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Solution

The fourth proportional to 147,740.61, 205,258.46 and 145,969.14 is: 202,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,740.61 : 205,258.46 = 145,969.14 : x
  2. Step 2: Convert to fraction form
    147,740.61/205,258.46 = 145,969.14/x
  3. Step 3: Cross multiply
    147,740.61x = 205,258.46 × 145,969.14
  4. Step 4: Simplify right side
    147,740.61x = 29,961,400,154.08
  5. Step 5: Solve for x
    x = 29,961,400,154.08/147,740.61
  6. Step 6: Final answer
    x = 202,797.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.