Home / 219,081.68-302,143.45-142,573.24

Finding the Fourth Proportional to 219,081.68, 302,143.45 and 142,573.24

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Solution

The fourth proportional to 219,081.68, 302,143.45 and 142,573.24 is: 196,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,081.68 : 302,143.45 = 142,573.24 : x
  2. Step 2: Convert to fraction form
    219,081.68/302,143.45 = 142,573.24/x
  3. Step 3: Cross multiply
    219,081.68x = 302,143.45 × 142,573.24
  4. Step 4: Simplify right side
    219,081.68x = 43,077,570,611.28
  5. Step 5: Solve for x
    x = 43,077,570,611.28/219,081.68
  6. Step 6: Final answer
    x = 196,627.90

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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.