Home / 97,982.12-147,058.49-55,946.36

Finding the Fourth Proportional to 97,982.12, 147,058.49 and 55,946.36

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Solution

The fourth proportional to 97,982.12, 147,058.49 and 55,946.36 is: 83,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,982.12 : 147,058.49 = 55,946.36 : x
  2. Step 2: Convert to fraction form
    97,982.12/147,058.49 = 55,946.36/x
  3. Step 3: Cross multiply
    97,982.12x = 147,058.49 × 55,946.36
  4. Step 4: Simplify right side
    97,982.12x = 8,227,386,627.17
  5. Step 5: Solve for x
    x = 8,227,386,627.17/97,982.12
  6. Step 6: Final answer
    x = 83,968.25

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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.