Home / 75,143.14-103,699.15-41,153.06

Finding the Fourth Proportional to 75,143.14, 103,699.15 and 41,153.06

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Solution

The fourth proportional to 75,143.14, 103,699.15 and 41,153.06 is: 56,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.14 : 103,699.15 = 41,153.06 : x
  2. Step 2: Convert to fraction form
    75,143.14/103,699.15 = 41,153.06/x
  3. Step 3: Cross multiply
    75,143.14x = 103,699.15 × 41,153.06
  4. Step 4: Simplify right side
    75,143.14x = 4,267,537,341.90
  5. Step 5: Solve for x
    x = 4,267,537,341.90/75,143.14
  6. Step 6: Final answer
    x = 56,792.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.