Home / 218,944.24-302,142.60-118,342

Finding the Fourth Proportional to 218,944.24, 302,142.60 and 118,342

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Solution

The fourth proportional to 218,944.24, 302,142.60 and 118,342 is: 163,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.24 : 302,142.60 = 118,342 : x
  2. Step 2: Convert to fraction form
    218,944.24/302,142.60 = 118,342/x
  3. Step 3: Cross multiply
    218,944.24x = 302,142.60 × 118,342
  4. Step 4: Simplify right side
    218,944.24x = 35,756,159,569.20
  5. Step 5: Solve for x
    x = 35,756,159,569.20/218,944.24
  6. Step 6: Final answer
    x = 163,311.72

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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.