Home / 97,637.10-146,131.65-70,907.10

Finding the Fourth Proportional to 97,637.10, 146,131.65 and 70,907.10

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Solution

The fourth proportional to 97,637.10, 146,131.65 and 70,907.10 is: 106,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,637.10 : 146,131.65 = 70,907.10 : x
  2. Step 2: Convert to fraction form
    97,637.10/146,131.65 = 70,907.10/x
  3. Step 3: Cross multiply
    97,637.10x = 146,131.65 × 70,907.10
  4. Step 4: Simplify right side
    97,637.10x = 10,361,771,519.72
  5. Step 5: Solve for x
    x = 10,361,771,519.72/97,637.10
  6. Step 6: Final answer
    x = 106,125.35

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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.