Home / 103,441.42-155,159.02-28,566.13

Finding the Fourth Proportional to 103,441.42, 155,159.02 and 28,566.13

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Solution

The fourth proportional to 103,441.42, 155,159.02 and 28,566.13 is: 42,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.42 : 155,159.02 = 28,566.13 : x
  2. Step 2: Convert to fraction form
    103,441.42/155,159.02 = 28,566.13/x
  3. Step 3: Cross multiply
    103,441.42x = 155,159.02 × 28,566.13
  4. Step 4: Simplify right side
    103,441.42x = 4,432,292,735.99
  5. Step 5: Solve for x
    x = 4,432,292,735.99/103,441.42
  6. Step 6: Final answer
    x = 42,848.34

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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.