Home / 102,283.90-153,446.81-43,119.68

Finding the Fourth Proportional to 102,283.90, 153,446.81 and 43,119.68

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Solution

The fourth proportional to 102,283.90, 153,446.81 and 43,119.68 is: 64,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,283.90 : 153,446.81 = 43,119.68 : x
  2. Step 2: Convert to fraction form
    102,283.90/153,446.81 = 43,119.68/x
  3. Step 3: Cross multiply
    102,283.90x = 153,446.81 × 43,119.68
  4. Step 4: Simplify right side
    102,283.90x = 6,616,576,361.39
  5. Step 5: Solve for x
    x = 6,616,576,361.39/102,283.90
  6. Step 6: Final answer
    x = 64,688.35

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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.