Home / 120,445.90-166,273.12-84,666.58

Finding the Fourth Proportional to 120,445.90, 166,273.12 and 84,666.58

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Solution

The fourth proportional to 120,445.90, 166,273.12 and 84,666.58 is: 116,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,445.90 : 166,273.12 = 84,666.58 : x
  2. Step 2: Convert to fraction form
    120,445.90/166,273.12 = 84,666.58/x
  3. Step 3: Cross multiply
    120,445.90x = 166,273.12 × 84,666.58
  4. Step 4: Simplify right side
    120,445.90x = 14,077,776,416.33
  5. Step 5: Solve for x
    x = 14,077,776,416.33/120,445.90
  6. Step 6: Final answer
    x = 116,880.50

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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.