Home / 124,219.42-186,302.96-39,987.10

Finding the Fourth Proportional to 124,219.42, 186,302.96 and 39,987.10

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Solution

The fourth proportional to 124,219.42, 186,302.96 and 39,987.10 is: 59,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,219.42 : 186,302.96 = 39,987.10 : x
  2. Step 2: Convert to fraction form
    124,219.42/186,302.96 = 39,987.10/x
  3. Step 3: Cross multiply
    124,219.42x = 186,302.96 × 39,987.10
  4. Step 4: Simplify right side
    124,219.42x = 7,449,715,091.82
  5. Step 5: Solve for x
    x = 7,449,715,091.82/124,219.42
  6. Step 6: Final answer
    x = 59,972.23

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1.5x scale

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.