Home / 211,888.50-292,406.13-116,396.79

Finding the Fourth Proportional to 211,888.50, 292,406.13 and 116,396.79

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Solution

The fourth proportional to 211,888.50, 292,406.13 and 116,396.79 is: 160,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,888.50 : 292,406.13 = 116,396.79 : x
  2. Step 2: Convert to fraction form
    211,888.50/292,406.13 = 116,396.79/x
  3. Step 3: Cross multiply
    211,888.50x = 292,406.13 × 116,396.79
  4. Step 4: Simplify right side
    211,888.50x = 34,035,134,908.32
  5. Step 5: Solve for x
    x = 34,035,134,908.32/211,888.50
  6. Step 6: Final answer
    x = 160,627.57

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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.