Home / 186,615.12-257,529.75-106,047

Finding the Fourth Proportional to 186,615.12, 257,529.75 and 106,047

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Solution

The fourth proportional to 186,615.12, 257,529.75 and 106,047 is: 146,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,615.12 : 257,529.75 = 106,047 : x
  2. Step 2: Convert to fraction form
    186,615.12/257,529.75 = 106,047/x
  3. Step 3: Cross multiply
    186,615.12x = 257,529.75 × 106,047
  4. Step 4: Simplify right side
    186,615.12x = 27,310,257,398.25
  5. Step 5: Solve for x
    x = 27,310,257,398.25/186,615.12
  6. Step 6: Final answer
    x = 146,345.36

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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.