Home / 145,661.49-201,016.58-82,001.52

Finding the Fourth Proportional to 145,661.49, 201,016.58 and 82,001.52

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Solution

The fourth proportional to 145,661.49, 201,016.58 and 82,001.52 is: 113,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,661.49 : 201,016.58 = 82,001.52 : x
  2. Step 2: Convert to fraction form
    145,661.49/201,016.58 = 82,001.52/x
  3. Step 3: Cross multiply
    145,661.49x = 201,016.58 × 82,001.52
  4. Step 4: Simplify right side
    145,661.49x = 16,483,664,695.19
  5. Step 5: Solve for x
    x = 16,483,664,695.19/145,661.49
  6. Step 6: Final answer
    x = 113,164.19

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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.