Home / 126,985.07-190,462.03-73,706.08

Finding the Fourth Proportional to 126,985.07, 190,462.03 and 73,706.08

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Solution

The fourth proportional to 126,985.07, 190,462.03 and 73,706.08 is: 110,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.07 : 190,462.03 = 73,706.08 : x
  2. Step 2: Convert to fraction form
    126,985.07/190,462.03 = 73,706.08/x
  3. Step 3: Cross multiply
    126,985.07x = 190,462.03 × 73,706.08
  4. Step 4: Simplify right side
    126,985.07x = 14,038,209,195.76
  5. Step 5: Solve for x
    x = 14,038,209,195.76/126,985.07
  6. Step 6: Final answer
    x = 110,550.08

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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.