Home / 120,444.90-166,271.74-84,665.58

Finding the Fourth Proportional to 120,444.90, 166,271.74 and 84,665.58

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Solution

The fourth proportional to 120,444.90, 166,271.74 and 84,665.58 is: 116,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,444.90 : 166,271.74 = 84,665.58 : x
  2. Step 2: Convert to fraction form
    120,444.90/166,271.74 = 84,665.58/x
  3. Step 3: Cross multiply
    120,444.90x = 166,271.74 × 84,665.58
  4. Step 4: Simplify right side
    120,444.90x = 14,077,493,304.71
  5. Step 5: Solve for x
    x = 14,077,493,304.71/120,444.90
  6. Step 6: Final answer
    x = 116,879.11

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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.