Home / 126,136.72-174,070.04-69,550.12

Finding the Fourth Proportional to 126,136.72, 174,070.04 and 69,550.12

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Solution

The fourth proportional to 126,136.72, 174,070.04 and 69,550.12 is: 95,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.72 : 174,070.04 = 69,550.12 : x
  2. Step 2: Convert to fraction form
    126,136.72/174,070.04 = 69,550.12/x
  3. Step 3: Cross multiply
    126,136.72x = 174,070.04 × 69,550.12
  4. Step 4: Simplify right side
    126,136.72x = 12,106,592,170.40
  5. Step 5: Solve for x
    x = 12,106,592,170.40/126,136.72
  6. Step 6: Final answer
    x = 95,979.92

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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.