Home / 97,750.20-146,430.90-53,297.40

Finding the Fourth Proportional to 97,750.20, 146,430.90 and 53,297.40

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Solution

The fourth proportional to 97,750.20, 146,430.90 and 53,297.40 is: 79,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,750.20 : 146,430.90 = 53,297.40 : x
  2. Step 2: Convert to fraction form
    97,750.20/146,430.90 = 53,297.40/x
  3. Step 3: Cross multiply
    97,750.20x = 146,430.90 × 53,297.40
  4. Step 4: Simplify right side
    97,750.20x = 7,804,386,249.66
  5. Step 5: Solve for x
    x = 7,804,386,249.66/97,750.20
  6. Step 6: Final answer
    x = 79,840.11

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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.