Home / 124,142.09-186,066.62-53,043.93

Finding the Fourth Proportional to 124,142.09, 186,066.62 and 53,043.93

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Solution

The fourth proportional to 124,142.09, 186,066.62 and 53,043.93 is: 79,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,142.09 : 186,066.62 = 53,043.93 : x
  2. Step 2: Convert to fraction form
    124,142.09/186,066.62 = 53,043.93/x
  3. Step 3: Cross multiply
    124,142.09x = 186,066.62 × 53,043.93
  4. Step 4: Simplify right side
    124,142.09x = 9,869,704,700.31
  5. Step 5: Solve for x
    x = 9,869,704,700.31/124,142.09
  6. Step 6: Final answer
    x = 79,503.29

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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.