Home / 145,673.07-201,032.61-82,013.16

Finding the Fourth Proportional to 145,673.07, 201,032.61 and 82,013.16

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Solution

The fourth proportional to 145,673.07, 201,032.61 and 82,013.16 is: 113,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673.07 : 201,032.61 = 82,013.16 : x
  2. Step 2: Convert to fraction form
    145,673.07/201,032.61 = 82,013.16/x
  3. Step 3: Cross multiply
    145,673.07x = 201,032.61 × 82,013.16
  4. Step 4: Simplify right side
    145,673.07x = 16,487,319,609.15
  5. Step 5: Solve for x
    x = 16,487,319,609.15/145,673.07
  6. Step 6: Final answer
    x = 113,180.29

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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.