Home / 315,869.19-473,734.20-91,180.82

Finding the Fourth Proportional to 315,869.19, 473,734.20 and 91,180.82

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Solution

The fourth proportional to 315,869.19, 473,734.20 and 91,180.82 is: 136,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,869.19 : 473,734.20 = 91,180.82 : x
  2. Step 2: Convert to fraction form
    315,869.19/473,734.20 = 91,180.82/x
  3. Step 3: Cross multiply
    315,869.19x = 473,734.20 × 91,180.82
  4. Step 4: Simplify right side
    315,869.19x = 43,195,472,818.04
  5. Step 5: Solve for x
    x = 43,195,472,818.04/315,869.19
  6. Step 6: Final answer
    x = 136,751.14

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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.