Home / 213,999.03-295,318.40-118,505.61

Finding the Fourth Proportional to 213,999.03, 295,318.40 and 118,505.61

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Solution

The fourth proportional to 213,999.03, 295,318.40 and 118,505.61 is: 163,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,999.03 : 295,318.40 = 118,505.61 : x
  2. Step 2: Convert to fraction form
    213,999.03/295,318.40 = 118,505.61/x
  3. Step 3: Cross multiply
    213,999.03x = 295,318.40 × 118,505.61
  4. Step 4: Simplify right side
    213,999.03x = 34,996,886,543.70
  5. Step 5: Solve for x
    x = 34,996,886,543.70/213,999.03
  6. Step 6: Final answer
    x = 163,537.59

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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.