Home / 112,192.59-168,298.16-80,749.00

Finding the Fourth Proportional to 112,192.59, 168,298.16 and 80,749.00

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Solution

The fourth proportional to 112,192.59, 168,298.16 and 80,749.00 is: 121,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192.59 : 168,298.16 = 80,749.00 : x
  2. Step 2: Convert to fraction form
    112,192.59/168,298.16 = 80,749.00/x
  3. Step 3: Cross multiply
    112,192.59x = 168,298.16 × 80,749.00
  4. Step 4: Simplify right side
    112,192.59x = 13,589,907,928.47
  5. Step 5: Solve for x
    x = 13,589,907,928.47/112,192.59
  6. Step 6: Final answer
    x = 121,130.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.