Home / 112,172.80-168,255.56-45,595.06

Finding the Fourth Proportional to 112,172.80, 168,255.56 and 45,595.06

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Solution

The fourth proportional to 112,172.80, 168,255.56 and 45,595.06 is: 68,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.80 : 168,255.56 = 45,595.06 : x
  2. Step 2: Convert to fraction form
    112,172.80/168,255.56 = 45,595.06/x
  3. Step 3: Cross multiply
    112,172.80x = 168,255.56 × 45,595.06
  4. Step 4: Simplify right side
    112,172.80x = 7,671,622,353.53
  5. Step 5: Solve for x
    x = 7,671,622,353.53/112,172.80
  6. Step 6: Final answer
    x = 68,391.11

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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.