Home / 126,751.63-190,314.35-70,701.25

Finding the Fourth Proportional to 126,751.63, 190,314.35 and 70,701.25

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Solution

The fourth proportional to 126,751.63, 190,314.35 and 70,701.25 is: 106,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,751.63 : 190,314.35 = 70,701.25 : x
  2. Step 2: Convert to fraction form
    126,751.63/190,314.35 = 70,701.25/x
  3. Step 3: Cross multiply
    126,751.63x = 190,314.35 × 70,701.25
  4. Step 4: Simplify right side
    126,751.63x = 13,455,461,132.86
  5. Step 5: Solve for x
    x = 13,455,461,132.86/126,751.63
  6. Step 6: Final answer
    x = 106,156.12

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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.