Home / 212,749.32-319,018.68-124,025.16

Finding the Fourth Proportional to 212,749.32, 319,018.68 and 124,025.16

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Solution

The fourth proportional to 212,749.32, 319,018.68 and 124,025.16 is: 185,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,749.32 : 319,018.68 = 124,025.16 : x
  2. Step 2: Convert to fraction form
    212,749.32/319,018.68 = 124,025.16/x
  3. Step 3: Cross multiply
    212,749.32x = 319,018.68 × 124,025.16
  4. Step 4: Simplify right side
    212,749.32x = 39,566,342,829.99
  5. Step 5: Solve for x
    x = 39,566,342,829.99/212,749.32
  6. Step 6: Final answer
    x = 185,976.35

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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.