Home / 134,125.69-185,109.55-80,440.24

Finding the Fourth Proportional to 134,125.69, 185,109.55 and 80,440.24

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Solution

The fourth proportional to 134,125.69, 185,109.55 and 80,440.24 is: 111,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,125.69 : 185,109.55 = 80,440.24 : x
  2. Step 2: Convert to fraction form
    134,125.69/185,109.55 = 80,440.24/x
  3. Step 3: Cross multiply
    134,125.69x = 185,109.55 × 80,440.24
  4. Step 4: Simplify right side
    134,125.69x = 14,890,256,628.29
  5. Step 5: Solve for x
    x = 14,890,256,628.29/134,125.69
  6. Step 6: Final answer
    x = 111,017.19

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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.