Home / 103,010.12-154,539.27-31,929.03

Finding the Fourth Proportional to 103,010.12, 154,539.27 and 31,929.03

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Solution

The fourth proportional to 103,010.12, 154,539.27 and 31,929.03 is: 47,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,010.12 : 154,539.27 = 31,929.03 : x
  2. Step 2: Convert to fraction form
    103,010.12/154,539.27 = 31,929.03/x
  3. Step 3: Cross multiply
    103,010.12x = 154,539.27 × 31,929.03
  4. Step 4: Simplify right side
    103,010.12x = 4,934,288,988.01
  5. Step 5: Solve for x
    x = 4,934,288,988.01/103,010.12
  6. Step 6: Final answer
    x = 47,901.01

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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.