Home / 146,017.25-201,503.81-78,949.25

Finding the Fourth Proportional to 146,017.25, 201,503.81 and 78,949.25

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Solution

The fourth proportional to 146,017.25, 201,503.81 and 78,949.25 is: 108,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,017.25 : 201,503.81 = 78,949.25 : x
  2. Step 2: Convert to fraction form
    146,017.25/201,503.81 = 78,949.25/x
  3. Step 3: Cross multiply
    146,017.25x = 201,503.81 × 78,949.25
  4. Step 4: Simplify right side
    146,017.25x = 15,908,574,671.64
  5. Step 5: Solve for x
    x = 15,908,574,671.64/146,017.25
  6. Step 6: Final answer
    x = 108,949.97

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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.