Home / 127,238.10-190,566.39-60,724.94

Finding the Fourth Proportional to 127,238.10, 190,566.39 and 60,724.94

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Solution

The fourth proportional to 127,238.10, 190,566.39 and 60,724.94 is: 90,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,238.10 : 190,566.39 = 60,724.94 : x
  2. Step 2: Convert to fraction form
    127,238.10/190,566.39 = 60,724.94/x
  3. Step 3: Cross multiply
    127,238.10x = 190,566.39 × 60,724.94
  4. Step 4: Simplify right side
    127,238.10x = 11,572,132,598.77
  5. Step 5: Solve for x
    x = 11,572,132,598.77/127,238.10
  6. Step 6: Final answer
    x = 90,948.64

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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.