Home / 156,594.20-216,098.90-84,972.40

Finding the Fourth Proportional to 156,594.20, 216,098.90 and 84,972.40

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Solution

The fourth proportional to 156,594.20, 216,098.90 and 84,972.40 is: 117,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,594.20 : 216,098.90 = 84,972.40 : x
  2. Step 2: Convert to fraction form
    156,594.20/216,098.90 = 84,972.40/x
  3. Step 3: Cross multiply
    156,594.20x = 216,098.90 × 84,972.40
  4. Step 4: Simplify right side
    156,594.20x = 18,362,442,170.36
  5. Step 5: Solve for x
    x = 18,362,442,170.36/156,594.20
  6. Step 6: Final answer
    x = 117,261.32

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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.