Home / 134,169.16-185,142.50-77,584.12

Finding the Fourth Proportional to 134,169.16, 185,142.50 and 77,584.12

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Solution

The fourth proportional to 134,169.16, 185,142.50 and 77,584.12 is: 107,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,169.16 : 185,142.50 = 77,584.12 : x
  2. Step 2: Convert to fraction form
    134,169.16/185,142.50 = 77,584.12/x
  3. Step 3: Cross multiply
    134,169.16x = 185,142.50 × 77,584.12
  4. Step 4: Simplify right side
    134,169.16x = 14,364,117,937.10
  5. Step 5: Solve for x
    x = 14,364,117,937.10/134,169.16
  6. Step 6: Final answer
    x = 107,059.76

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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.