Home / 247,621.08-341,725.38-138,730.14

Finding the Fourth Proportional to 247,621.08, 341,725.38 and 138,730.14

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Solution

The fourth proportional to 247,621.08, 341,725.38 and 138,730.14 is: 191,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,621.08 : 341,725.38 = 138,730.14 : x
  2. Step 2: Convert to fraction form
    247,621.08/341,725.38 = 138,730.14/x
  3. Step 3: Cross multiply
    247,621.08x = 341,725.38 × 138,730.14
  4. Step 4: Simplify right side
    247,621.08x = 47,407,609,808.95
  5. Step 5: Solve for x
    x = 47,407,609,808.95/247,621.08
  6. Step 6: Final answer
    x = 191,452.24

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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.