Home / 126,319.42-174,320.81-69,730.80

Finding the Fourth Proportional to 126,319.42, 174,320.81 and 69,730.80

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Solution

The fourth proportional to 126,319.42, 174,320.81 and 69,730.80 is: 96,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.42 : 174,320.81 = 69,730.80 : x
  2. Step 2: Convert to fraction form
    126,319.42/174,320.81 = 69,730.80/x
  3. Step 3: Cross multiply
    126,319.42x = 174,320.81 × 69,730.80
  4. Step 4: Simplify right side
    126,319.42x = 12,155,529,537.95
  5. Step 5: Solve for x
    x = 12,155,529,537.95/126,319.42
  6. Step 6: Final answer
    x = 96,228.51

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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.