Home / 126,317.81-174,318.81-69,729.23

Finding the Fourth Proportional to 126,317.81, 174,318.81 and 69,729.23

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Solution

The fourth proportional to 126,317.81, 174,318.81 and 69,729.23 is: 96,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.81 : 174,318.81 = 69,729.23 : x
  2. Step 2: Convert to fraction form
    126,317.81/174,318.81 = 69,729.23/x
  3. Step 3: Cross multiply
    126,317.81x = 174,318.81 × 69,729.23
  4. Step 4: Simplify right side
    126,317.81x = 12,155,116,395.82
  5. Step 5: Solve for x
    x = 12,155,116,395.82/126,317.81
  6. Step 6: Final answer
    x = 96,226.47

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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.