Home / 126,509.45-174,594.15-69,931.76

Finding the Fourth Proportional to 126,509.45, 174,594.15 and 69,931.76

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Solution

The fourth proportional to 126,509.45, 174,594.15 and 69,931.76 is: 96,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,509.45 : 174,594.15 = 69,931.76 : x
  2. Step 2: Convert to fraction form
    126,509.45/174,594.15 = 69,931.76/x
  3. Step 3: Cross multiply
    126,509.45x = 174,594.15 × 69,931.76
  4. Step 4: Simplify right side
    126,509.45x = 12,209,675,322.23
  5. Step 5: Solve for x
    x = 12,209,675,322.23/126,509.45
  6. Step 6: Final answer
    x = 96,511.97

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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.