Home / 130,999.11-196,536.93-42,250.65

Finding the Fourth Proportional to 130,999.11, 196,536.93 and 42,250.65

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Solution

The fourth proportional to 130,999.11, 196,536.93 and 42,250.65 is: 63,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.11 : 196,536.93 = 42,250.65 : x
  2. Step 2: Convert to fraction form
    130,999.11/196,536.93 = 42,250.65/x
  3. Step 3: Cross multiply
    130,999.11x = 196,536.93 × 42,250.65
  4. Step 4: Simplify right side
    130,999.11x = 8,303,813,041.50
  5. Step 5: Solve for x
    x = 8,303,813,041.50/130,999.11
  6. Step 6: Final answer
    x = 63,388.32

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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.