Home / 127,143.91-175,464.06-70,555.29

Finding the Fourth Proportional to 127,143.91, 175,464.06 and 70,555.29

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Solution

The fourth proportional to 127,143.91, 175,464.06 and 70,555.29 is: 97,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,143.91 : 175,464.06 = 70,555.29 : x
  2. Step 2: Convert to fraction form
    127,143.91/175,464.06 = 70,555.29/x
  3. Step 3: Cross multiply
    127,143.91x = 175,464.06 × 70,555.29
  4. Step 4: Simplify right side
    127,143.91x = 12,379,916,760.56
  5. Step 5: Solve for x
    x = 12,379,916,760.56/127,143.91
  6. Step 6: Final answer
    x = 97,369.33

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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.