Home / 156,106.44-215,425.08-84,484.80

Finding the Fourth Proportional to 156,106.44, 215,425.08 and 84,484.80

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Solution

The fourth proportional to 156,106.44, 215,425.08 and 84,484.80 is: 116,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.44 : 215,425.08 = 84,484.80 : x
  2. Step 2: Convert to fraction form
    156,106.44/215,425.08 = 84,484.80/x
  3. Step 3: Cross multiply
    156,106.44x = 215,425.08 × 84,484.80
  4. Step 4: Simplify right side
    156,106.44x = 18,200,144,798.78
  5. Step 5: Solve for x
    x = 18,200,144,798.78/156,106.44
  6. Step 6: Final answer
    x = 116,588.05

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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.