Home / 127,424.26-191,159.43-52,502.72

Finding the Fourth Proportional to 127,424.26, 191,159.43 and 52,502.72

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Solution

The fourth proportional to 127,424.26, 191,159.43 and 52,502.72 is: 78,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,424.26 : 191,159.43 = 52,502.72 : x
  2. Step 2: Convert to fraction form
    127,424.26/191,159.43 = 52,502.72/x
  3. Step 3: Cross multiply
    127,424.26x = 191,159.43 × 52,502.72
  4. Step 4: Simplify right side
    127,424.26x = 10,036,390,506.55
  5. Step 5: Solve for x
    x = 10,036,390,506.55/127,424.26
  6. Step 6: Final answer
    x = 78,763.58

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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.