Home / 98,923.79-136,513.04-55,902.35

Finding the Fourth Proportional to 98,923.79, 136,513.04 and 55,902.35

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Solution

The fourth proportional to 98,923.79, 136,513.04 and 55,902.35 is: 77,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.79 : 136,513.04 = 55,902.35 : x
  2. Step 2: Convert to fraction form
    98,923.79/136,513.04 = 55,902.35/x
  3. Step 3: Cross multiply
    98,923.79x = 136,513.04 × 55,902.35
  4. Step 4: Simplify right side
    98,923.79x = 7,631,399,803.41
  5. Step 5: Solve for x
    x = 7,631,399,803.41/98,923.79
  6. Step 6: Final answer
    x = 77,144.23

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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.