Home / 120,424.04-166,132.80-84,637.44

Finding the Fourth Proportional to 120,424.04, 166,132.80 and 84,637.44

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Solution

The fourth proportional to 120,424.04, 166,132.80 and 84,637.44 is: 116,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424.04 : 166,132.80 = 84,637.44 : x
  2. Step 2: Convert to fraction form
    120,424.04/166,132.80 = 84,637.44/x
  3. Step 3: Cross multiply
    120,424.04x = 166,132.80 × 84,637.44
  4. Step 4: Simplify right side
    120,424.04x = 14,061,054,892.03
  5. Step 5: Solve for x
    x = 14,061,054,892.03/120,424.04
  6. Step 6: Final answer
    x = 116,762.86

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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.