Home / 126,814.41-190,291.62-70,686.11

Finding the Fourth Proportional to 126,814.41, 190,291.62 and 70,686.11

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Solution

The fourth proportional to 126,814.41, 190,291.62 and 70,686.11 is: 106,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,814.41 : 190,291.62 = 70,686.11 : x
  2. Step 2: Convert to fraction form
    126,814.41/190,291.62 = 70,686.11/x
  3. Step 3: Cross multiply
    126,814.41x = 190,291.62 × 70,686.11
  4. Step 4: Simplify right side
    126,814.41x = 13,450,974,383.40
  5. Step 5: Solve for x
    x = 13,450,974,383.40/126,814.41
  6. Step 6: Final answer
    x = 106,068.19

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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.