Home / 126,521.58-174,608.82-69,931.74

Finding the Fourth Proportional to 126,521.58, 174,608.82 and 69,931.74

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Solution

The fourth proportional to 126,521.58, 174,608.82 and 69,931.74 is: 96,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,521.58 : 174,608.82 = 69,931.74 : x
  2. Step 2: Convert to fraction form
    126,521.58/174,608.82 = 69,931.74/x
  3. Step 3: Cross multiply
    126,521.58x = 174,608.82 × 69,931.74
  4. Step 4: Simplify right side
    126,521.58x = 12,210,698,601.95
  5. Step 5: Solve for x
    x = 12,210,698,601.95/126,521.58
  6. Step 6: Final answer
    x = 96,510.80

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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.