Home / 102,946.10-154,289.55-91,282.10

Finding the Fourth Proportional to 102,946.10, 154,289.55 and 91,282.10

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Solution

The fourth proportional to 102,946.10, 154,289.55 and 91,282.10 is: 136,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,946.10 : 154,289.55 = 91,282.10 : x
  2. Step 2: Convert to fraction form
    102,946.10/154,289.55 = 91,282.10/x
  3. Step 3: Cross multiply
    102,946.10x = 154,289.55 × 91,282.10
  4. Step 4: Simplify right side
    102,946.10x = 14,083,874,132.06
  5. Step 5: Solve for x
    x = 14,083,874,132.06/102,946.10
  6. Step 6: Final answer
    x = 136,808.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.