Home / 230,132.16-317,573.52-128,161.92

Finding the Fourth Proportional to 230,132.16, 317,573.52 and 128,161.92

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Solution

The fourth proportional to 230,132.16, 317,573.52 and 128,161.92 is: 176,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,132.16 : 317,573.52 = 128,161.92 : x
  2. Step 2: Convert to fraction form
    230,132.16/317,573.52 = 128,161.92/x
  3. Step 3: Cross multiply
    230,132.16x = 317,573.52 × 128,161.92
  4. Step 4: Simplify right side
    230,132.16x = 40,700,831,270.42
  5. Step 5: Solve for x
    x = 40,700,831,270.42/230,132.16
  6. Step 6: Final answer
    x = 176,858.51

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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.