Home / 108,974.80-163,462.20-38,828.80

Finding the Fourth Proportional to 108,974.80, 163,462.20 and 38,828.80

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Solution

The fourth proportional to 108,974.80, 163,462.20 and 38,828.80 is: 58,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,974.80 : 163,462.20 = 38,828.80 : x
  2. Step 2: Convert to fraction form
    108,974.80/163,462.20 = 38,828.80/x
  3. Step 3: Cross multiply
    108,974.80x = 163,462.20 × 38,828.80
  4. Step 4: Simplify right side
    108,974.80x = 6,347,041,071.36
  5. Step 5: Solve for x
    x = 6,347,041,071.36/108,974.80
  6. Step 6: Final answer
    x = 58,243.20

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1.5x scale

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.