Home / 130,879.04-196,337.12-42,111.92

Finding the Fourth Proportional to 130,879.04, 196,337.12 and 42,111.92

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Solution

The fourth proportional to 130,879.04, 196,337.12 and 42,111.92 is: 63,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,879.04 : 196,337.12 = 42,111.92 : x
  2. Step 2: Convert to fraction form
    130,879.04/196,337.12 = 42,111.92/x
  3. Step 3: Cross multiply
    130,879.04x = 196,337.12 × 42,111.92
  4. Step 4: Simplify right side
    130,879.04x = 8,268,133,090.47
  5. Step 5: Solve for x
    x = 8,268,133,090.47/130,879.04
  6. Step 6: Final answer
    x = 63,173.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.