Home / 315,869.68-473,734.94-91,181.32

Finding the Fourth Proportional to 315,869.68, 473,734.94 and 91,181.32

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Solution

The fourth proportional to 315,869.68, 473,734.94 and 91,181.32 is: 136,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,869.68 : 473,734.94 = 91,181.32 : x
  2. Step 2: Convert to fraction form
    315,869.68/473,734.94 = 91,181.32/x
  3. Step 3: Cross multiply
    315,869.68x = 473,734.94 × 91,181.32
  4. Step 4: Simplify right side
    315,869.68x = 43,195,777,159.32
  5. Step 5: Solve for x
    x = 43,195,777,159.32/315,869.68
  6. Step 6: Final answer
    x = 136,751.89

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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.