Home / 495,116.64-742,638.24-158,143.68

Finding the Fourth Proportional to 495,116.64, 742,638.24 and 158,143.68

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Solution

The fourth proportional to 495,116.64, 742,638.24 and 158,143.68 is: 237,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,116.64 : 742,638.24 = 158,143.68 : x
  2. Step 2: Convert to fraction form
    495,116.64/742,638.24 = 158,143.68/x
  3. Step 3: Cross multiply
    495,116.64x = 742,638.24 × 158,143.68
  4. Step 4: Simplify right side
    495,116.64x = 117,443,544,182.32
  5. Step 5: Solve for x
    x = 117,443,544,182.32/495,116.64
  6. Step 6: Final answer
    x = 237,203.79

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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.