Home / 210,115.08-289,972.52-119,479.48

Finding the Fourth Proportional to 210,115.08, 289,972.52 and 119,479.48

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Solution

The fourth proportional to 210,115.08, 289,972.52 and 119,479.48 is: 164,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,115.08 : 289,972.52 = 119,479.48 : x
  2. Step 2: Convert to fraction form
    210,115.08/289,972.52 = 119,479.48/x
  3. Step 3: Cross multiply
    210,115.08x = 289,972.52 × 119,479.48
  4. Step 4: Simplify right side
    210,115.08x = 34,645,765,903.89
  5. Step 5: Solve for x
    x = 34,645,765,903.89/210,115.08
  6. Step 6: Final answer
    x = 164,889.48

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1.5x scale

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.