Home / 126,959.40-190,487.70-56,788.29

Finding the Fourth Proportional to 126,959.40, 190,487.70 and 56,788.29

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Solution

The fourth proportional to 126,959.40, 190,487.70 and 56,788.29 is: 85,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,959.40 : 190,487.70 = 56,788.29 : x
  2. Step 2: Convert to fraction form
    126,959.40/190,487.70 = 56,788.29/x
  3. Step 3: Cross multiply
    126,959.40x = 190,487.70 × 56,788.29
  4. Step 4: Simplify right side
    126,959.40x = 10,817,470,749.03
  5. Step 5: Solve for x
    x = 10,817,470,749.03/126,959.40
  6. Step 6: Final answer
    x = 85,204.17

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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.