Home / 126,205.12-174,155.16-69,616.36

Finding the Fourth Proportional to 126,205.12, 174,155.16 and 69,616.36

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Solution

The fourth proportional to 126,205.12, 174,155.16 and 69,616.36 is: 96,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,205.12 : 174,155.16 = 69,616.36 : x
  2. Step 2: Convert to fraction form
    126,205.12/174,155.16 = 69,616.36/x
  3. Step 3: Cross multiply
    126,205.12x = 174,155.16 × 69,616.36
  4. Step 4: Simplify right side
    126,205.12x = 12,124,048,314.42
  5. Step 5: Solve for x
    x = 12,124,048,314.42/126,205.12
  6. Step 6: Final answer
    x = 96,066.22

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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.