Home / 98,868.20-136,462.52-56,451.33

Finding the Fourth Proportional to 98,868.20, 136,462.52 and 56,451.33

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Solution

The fourth proportional to 98,868.20, 136,462.52 and 56,451.33 is: 77,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.20 : 136,462.52 = 56,451.33 : x
  2. Step 2: Convert to fraction form
    98,868.20/136,462.52 = 56,451.33/x
  3. Step 3: Cross multiply
    98,868.20x = 136,462.52 × 56,451.33
  4. Step 4: Simplify right side
    98,868.20x = 7,703,490,890.28
  5. Step 5: Solve for x
    x = 7,703,490,890.28/98,868.20
  6. Step 6: Final answer
    x = 77,916.77

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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.