Home / 136,024.32-204,071.04-79,911.87

Finding the Fourth Proportional to 136,024.32, 204,071.04 and 79,911.87

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Solution

The fourth proportional to 136,024.32, 204,071.04 and 79,911.87 is: 119,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024.32 : 204,071.04 = 79,911.87 : x
  2. Step 2: Convert to fraction form
    136,024.32/204,071.04 = 79,911.87/x
  3. Step 3: Cross multiply
    136,024.32x = 204,071.04 × 79,911.87
  4. Step 4: Simplify right side
    136,024.32x = 16,307,698,419.24
  5. Step 5: Solve for x
    x = 16,307,698,419.24/136,024.32
  6. Step 6: Final answer
    x = 119,888.11

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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.