Home / 118,252.16-163,115.01-84,271.54

Finding the Fourth Proportional to 118,252.16, 163,115.01 and 84,271.54

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Solution

The fourth proportional to 118,252.16, 163,115.01 and 84,271.54 is: 116,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.16 : 163,115.01 = 84,271.54 : x
  2. Step 2: Convert to fraction form
    118,252.16/163,115.01 = 84,271.54/x
  3. Step 3: Cross multiply
    118,252.16x = 163,115.01 × 84,271.54
  4. Step 4: Simplify right side
    118,252.16x = 13,745,952,682.03
  5. Step 5: Solve for x
    x = 13,745,952,682.03/118,252.16
  6. Step 6: Final answer
    x = 116,242.72

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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.