Home / 166,737.15-230,207.27-128,429.01

Finding the Fourth Proportional to 166,737.15, 230,207.27 and 128,429.01

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Solution

The fourth proportional to 166,737.15, 230,207.27 and 128,429.01 is: 177,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,737.15 : 230,207.27 = 128,429.01 : x
  2. Step 2: Convert to fraction form
    166,737.15/230,207.27 = 128,429.01/x
  3. Step 3: Cross multiply
    166,737.15x = 230,207.27 × 128,429.01
  4. Step 4: Simplify right side
    166,737.15x = 29,565,291,138.76
  5. Step 5: Solve for x
    x = 29,565,291,138.76/166,737.15
  6. Step 6: Final answer
    x = 177,316.76

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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.