Home / 213,916.64-295,254.52-142,299.68

Finding the Fourth Proportional to 213,916.64, 295,254.52 and 142,299.68

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Solution

The fourth proportional to 213,916.64, 295,254.52 and 142,299.68 is: 196,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,916.64 : 295,254.52 = 142,299.68 : x
  2. Step 2: Convert to fraction form
    213,916.64/295,254.52 = 142,299.68/x
  3. Step 3: Cross multiply
    213,916.64x = 295,254.52 × 142,299.68
  4. Step 4: Simplify right side
    213,916.64x = 42,014,623,714.55
  5. Step 5: Solve for x
    x = 42,014,623,714.55/213,916.64
  6. Step 6: Final answer
    x = 196,406.52

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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.