Home / 98,730.91-136,249.32-60,490.53

Finding the Fourth Proportional to 98,730.91, 136,249.32 and 60,490.53

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Solution

The fourth proportional to 98,730.91, 136,249.32 and 60,490.53 is: 83,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730.91 : 136,249.32 = 60,490.53 : x
  2. Step 2: Convert to fraction form
    98,730.91/136,249.32 = 60,490.53/x
  3. Step 3: Cross multiply
    98,730.91x = 136,249.32 × 60,490.53
  4. Step 4: Simplify right side
    98,730.91x = 8,241,793,805.78
  5. Step 5: Solve for x
    x = 8,241,793,805.78/98,730.91
  6. Step 6: Final answer
    x = 83,477.34

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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.