Home / 126,775.17-190,192.76-41,385.58

Finding the Fourth Proportional to 126,775.17, 190,192.76 and 41,385.58

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Solution

The fourth proportional to 126,775.17, 190,192.76 and 41,385.58 is: 62,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.17 : 190,192.76 = 41,385.58 : x
  2. Step 2: Convert to fraction form
    126,775.17/190,192.76 = 41,385.58/x
  3. Step 3: Cross multiply
    126,775.17x = 190,192.76 × 41,385.58
  4. Step 4: Simplify right side
    126,775.17x = 7,871,237,684.40
  5. Step 5: Solve for x
    x = 7,871,237,684.40/126,775.17
  6. Step 6: Final answer
    x = 62,088.17

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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.