Home / 126,368.59-174,386.32-69,778.75

Finding the Fourth Proportional to 126,368.59, 174,386.32 and 69,778.75

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Solution

The fourth proportional to 126,368.59, 174,386.32 and 69,778.75 is: 96,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,368.59 : 174,386.32 = 69,778.75 : x
  2. Step 2: Convert to fraction form
    126,368.59/174,386.32 = 69,778.75/x
  3. Step 3: Cross multiply
    126,368.59x = 174,386.32 × 69,778.75
  4. Step 4: Simplify right side
    126,368.59x = 12,168,459,426.70
  5. Step 5: Solve for x
    x = 12,168,459,426.70/126,368.59
  6. Step 6: Final answer
    x = 96,293.39

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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.