Home / 124,727.10-187,090.65-40,487.10

Finding the Fourth Proportional to 124,727.10, 187,090.65 and 40,487.10

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Solution

The fourth proportional to 124,727.10, 187,090.65 and 40,487.10 is: 60,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.10 : 187,090.65 = 40,487.10 : x
  2. Step 2: Convert to fraction form
    124,727.10/187,090.65 = 40,487.10/x
  3. Step 3: Cross multiply
    124,727.10x = 187,090.65 × 40,487.10
  4. Step 4: Simplify right side
    124,727.10x = 7,574,757,855.62
  5. Step 5: Solve for x
    x = 7,574,757,855.62/124,727.10
  6. Step 6: Final answer
    x = 60,730.65

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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.