Home / 156,290.04-215,680.08-84,671.88

Finding the Fourth Proportional to 156,290.04, 215,680.08 and 84,671.88

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Solution

The fourth proportional to 156,290.04, 215,680.08 and 84,671.88 is: 116,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,290.04 : 215,680.08 = 84,671.88 : x
  2. Step 2: Convert to fraction form
    156,290.04/215,680.08 = 84,671.88/x
  3. Step 3: Cross multiply
    156,290.04x = 215,680.08 × 84,671.88
  4. Step 4: Simplify right side
    156,290.04x = 18,262,037,852.15
  5. Step 5: Solve for x
    x = 18,262,037,852.15/156,290.04
  6. Step 6: Final answer
    x = 116,847.10

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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.