Home / 127,632.71-191,477.61-38,893.16

Finding the Fourth Proportional to 127,632.71, 191,477.61 and 38,893.16

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Solution

The fourth proportional to 127,632.71, 191,477.61 and 38,893.16 is: 58,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.71 : 191,477.61 = 38,893.16 : x
  2. Step 2: Convert to fraction form
    127,632.71/191,477.61 = 38,893.16/x
  3. Step 3: Cross multiply
    127,632.71x = 191,477.61 × 38,893.16
  4. Step 4: Simplify right side
    127,632.71x = 7,447,168,364.76
  5. Step 5: Solve for x
    x = 7,447,168,364.76/127,632.71
  6. Step 6: Final answer
    x = 58,348.43

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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.