Home / 156,291.04-215,681.46-84,672.88

Finding the Fourth Proportional to 156,291.04, 215,681.46 and 84,672.88

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Solution

The fourth proportional to 156,291.04, 215,681.46 and 84,672.88 is: 116,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,291.04 : 215,681.46 = 84,672.88 : x
  2. Step 2: Convert to fraction form
    156,291.04/215,681.46 = 84,672.88/x
  3. Step 3: Cross multiply
    156,291.04x = 215,681.46 × 84,672.88
  4. Step 4: Simplify right side
    156,291.04x = 18,262,370,380.80
  5. Step 5: Solve for x
    x = 18,262,370,380.80/156,291.04
  6. Step 6: Final answer
    x = 116,848.48

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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.