Home / 188,789.04-260,529.60-103,909.08

Finding the Fourth Proportional to 188,789.04, 260,529.60 and 103,909.08

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Solution

The fourth proportional to 188,789.04, 260,529.60 and 103,909.08 is: 143,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,789.04 : 260,529.60 = 103,909.08 : x
  2. Step 2: Convert to fraction form
    188,789.04/260,529.60 = 103,909.08/x
  3. Step 3: Cross multiply
    188,789.04x = 260,529.60 × 103,909.08
  4. Step 4: Simplify right side
    188,789.04x = 27,071,391,048.77
  5. Step 5: Solve for x
    x = 27,071,391,048.77/188,789.04
  6. Step 6: Final answer
    x = 143,394.93

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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.