Home / 98,916.32-136,503.60-54,205.92

Finding the Fourth Proportional to 98,916.32, 136,503.60 and 54,205.92

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Solution

The fourth proportional to 98,916.32, 136,503.60 and 54,205.92 is: 74,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916.32 : 136,503.60 = 54,205.92 : x
  2. Step 2: Convert to fraction form
    98,916.32/136,503.60 = 54,205.92/x
  3. Step 3: Cross multiply
    98,916.32x = 136,503.60 × 54,205.92
  4. Step 4: Simplify right side
    98,916.32x = 7,399,303,221.31
  5. Step 5: Solve for x
    x = 7,399,303,221.31/98,916.32
  6. Step 6: Final answer
    x = 74,803.66

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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.