Home / 147,974.92-204,373.62-99,492.68

Finding the Fourth Proportional to 147,974.92, 204,373.62 and 99,492.68

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Solution

The fourth proportional to 147,974.92, 204,373.62 and 99,492.68 is: 137,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.92 : 204,373.62 = 99,492.68 : x
  2. Step 2: Convert to fraction form
    147,974.92/204,373.62 = 99,492.68/x
  3. Step 3: Cross multiply
    147,974.92x = 204,373.62 × 99,492.68
  4. Step 4: Simplify right side
    147,974.92x = 20,333,679,175.10
  5. Step 5: Solve for x
    x = 20,333,679,175.10/147,974.92
  6. Step 6: Final answer
    x = 137,413.01

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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.