Home / 103,742.76-155,637.18-29,865

Finding the Fourth Proportional to 103,742.76, 155,637.18 and 29,865

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Solution

The fourth proportional to 103,742.76, 155,637.18 and 29,865 is: 44,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,742.76 : 155,637.18 = 29,865 : x
  2. Step 2: Convert to fraction form
    103,742.76/155,637.18 = 29,865/x
  3. Step 3: Cross multiply
    103,742.76x = 155,637.18 × 29,865
  4. Step 4: Simplify right side
    103,742.76x = 4,648,104,380.70
  5. Step 5: Solve for x
    x = 4,648,104,380.70/103,742.76
  6. Step 6: Final answer
    x = 44,804.13

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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.