Home / 120,509.52-166,303.14-66,802.62

Finding the Fourth Proportional to 120,509.52, 166,303.14 and 66,802.62

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Solution

The fourth proportional to 120,509.52, 166,303.14 and 66,802.62 is: 92,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,509.52 : 166,303.14 = 66,802.62 : x
  2. Step 2: Convert to fraction form
    120,509.52/166,303.14 = 66,802.62/x
  3. Step 3: Cross multiply
    120,509.52x = 166,303.14 × 66,802.62
  4. Step 4: Simplify right side
    120,509.52x = 11,109,485,466.23
  5. Step 5: Solve for x
    x = 11,109,485,466.23/120,509.52
  6. Step 6: Final answer
    x = 92,187.62

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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.