Home / 120,316.13-166,080.06-70,015.13

Finding the Fourth Proportional to 120,316.13, 166,080.06 and 70,015.13

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Solution

The fourth proportional to 120,316.13, 166,080.06 and 70,015.13 is: 96,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,316.13 : 166,080.06 = 70,015.13 : x
  2. Step 2: Convert to fraction form
    120,316.13/166,080.06 = 70,015.13/x
  3. Step 3: Cross multiply
    120,316.13x = 166,080.06 × 70,015.13
  4. Step 4: Simplify right side
    120,316.13x = 11,628,116,160.91
  5. Step 5: Solve for x
    x = 11,628,116,160.91/120,316.13
  6. Step 6: Final answer
    x = 96,646.37

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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.