Home / 146,347.26-219,421.02-77,969.04

Finding the Fourth Proportional to 146,347.26, 219,421.02 and 77,969.04

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Solution

The fourth proportional to 146,347.26, 219,421.02 and 77,969.04 is: 116,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,347.26 : 219,421.02 = 77,969.04 : x
  2. Step 2: Convert to fraction form
    146,347.26/219,421.02 = 77,969.04/x
  3. Step 3: Cross multiply
    146,347.26x = 219,421.02 × 77,969.04
  4. Step 4: Simplify right side
    146,347.26x = 17,108,046,285.22
  5. Step 5: Solve for x
    x = 17,108,046,285.22/146,347.26
  6. Step 6: Final answer
    x = 116,900.35

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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.