Home / 103,092.20-154,638.30-61,620.20

Finding the Fourth Proportional to 103,092.20, 154,638.30 and 61,620.20

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Solution

The fourth proportional to 103,092.20, 154,638.30 and 61,620.20 is: 92,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.20 : 154,638.30 = 61,620.20 : x
  2. Step 2: Convert to fraction form
    103,092.20/154,638.30 = 61,620.20/x
  3. Step 3: Cross multiply
    103,092.20x = 154,638.30 × 61,620.20
  4. Step 4: Simplify right side
    103,092.20x = 9,528,842,973.66
  5. Step 5: Solve for x
    x = 9,528,842,973.66/103,092.20
  6. Step 6: Final answer
    x = 92,430.30

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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.