Home / 145,867.78-201,294.75-82,204.30

Finding the Fourth Proportional to 145,867.78, 201,294.75 and 82,204.30

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Solution

The fourth proportional to 145,867.78, 201,294.75 and 82,204.30 is: 113,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.78 : 201,294.75 = 82,204.30 : x
  2. Step 2: Convert to fraction form
    145,867.78/201,294.75 = 82,204.30/x
  3. Step 3: Cross multiply
    145,867.78x = 201,294.75 × 82,204.30
  4. Step 4: Simplify right side
    145,867.78x = 16,547,294,017.43
  5. Step 5: Solve for x
    x = 16,547,294,017.43/145,867.78
  6. Step 6: Final answer
    x = 113,440.36

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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.