Home / 112,705.45-169,080.73-36,809.03

Finding the Fourth Proportional to 112,705.45, 169,080.73 and 36,809.03

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Solution

The fourth proportional to 112,705.45, 169,080.73 and 36,809.03 is: 55,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,705.45 : 169,080.73 = 36,809.03 : x
  2. Step 2: Convert to fraction form
    112,705.45/169,080.73 = 36,809.03/x
  3. Step 3: Cross multiply
    112,705.45x = 169,080.73 × 36,809.03
  4. Step 4: Simplify right side
    112,705.45x = 6,223,697,056.24
  5. Step 5: Solve for x
    x = 6,223,697,056.24/112,705.45
  6. Step 6: Final answer
    x = 55,220.90

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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.