Home / 186,749.32-280,141.08-74,402.32

Finding the Fourth Proportional to 186,749.32, 280,141.08 and 74,402.32

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Solution

The fourth proportional to 186,749.32, 280,141.08 and 74,402.32 is: 111,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,749.32 : 280,141.08 = 74,402.32 : x
  2. Step 2: Convert to fraction form
    186,749.32/280,141.08 = 74,402.32/x
  3. Step 3: Cross multiply
    186,749.32x = 280,141.08 × 74,402.32
  4. Step 4: Simplify right side
    186,749.32x = 20,843,146,279.31
  5. Step 5: Solve for x
    x = 20,843,146,279.31/186,749.32
  6. Step 6: Final answer
    x = 111,610.29

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1.5x scale

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.