Home / 97,176.71-145,807.40-34,042.21

Finding the Fourth Proportional to 97,176.71, 145,807.40 and 34,042.21

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Solution

The fourth proportional to 97,176.71, 145,807.40 and 34,042.21 is: 51,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,176.71 : 145,807.40 = 34,042.21 : x
  2. Step 2: Convert to fraction form
    97,176.71/145,807.40 = 34,042.21/x
  3. Step 3: Cross multiply
    97,176.71x = 145,807.40 × 34,042.21
  4. Step 4: Simplify right side
    97,176.71x = 4,963,605,850.94
  5. Step 5: Solve for x
    x = 4,963,605,850.94/97,176.71
  6. Step 6: Final answer
    x = 51,078.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.