Home / 134,064.98-185,010.34-72,811.38

Finding the Fourth Proportional to 134,064.98, 185,010.34 and 72,811.38

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Solution

The fourth proportional to 134,064.98, 185,010.34 and 72,811.38 is: 100,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,064.98 : 185,010.34 = 72,811.38 : x
  2. Step 2: Convert to fraction form
    134,064.98/185,010.34 = 72,811.38/x
  3. Step 3: Cross multiply
    134,064.98x = 185,010.34 × 72,811.38
  4. Step 4: Simplify right side
    134,064.98x = 13,470,858,169.67
  5. Step 5: Solve for x
    x = 13,470,858,169.67/134,064.98
  6. Step 6: Final answer
    x = 100,480.07

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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.