Home / 126,720.02-174,854.81-76,966.44

Finding the Fourth Proportional to 126,720.02, 174,854.81 and 76,966.44

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Solution

The fourth proportional to 126,720.02, 174,854.81 and 76,966.44 is: 106,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,720.02 : 174,854.81 = 76,966.44 : x
  2. Step 2: Convert to fraction form
    126,720.02/174,854.81 = 76,966.44/x
  3. Step 3: Cross multiply
    126,720.02x = 174,854.81 × 76,966.44
  4. Step 4: Simplify right side
    126,720.02x = 13,457,952,242.58
  5. Step 5: Solve for x
    x = 13,457,952,242.58/126,720.02
  6. Step 6: Final answer
    x = 106,202.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.