Home / 188,779.40-260,456.88-107,094.20

Finding the Fourth Proportional to 188,779.40, 260,456.88 and 107,094.20

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Solution

The fourth proportional to 188,779.40, 260,456.88 and 107,094.20 is: 147,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,779.40 : 260,456.88 = 107,094.20 : x
  2. Step 2: Convert to fraction form
    188,779.40/260,456.88 = 107,094.20/x
  3. Step 3: Cross multiply
    188,779.40x = 260,456.88 × 107,094.20
  4. Step 4: Simplify right side
    188,779.40x = 27,893,421,198.10
  5. Step 5: Solve for x
    x = 27,893,421,198.10/188,779.40
  6. Step 6: Final answer
    x = 147,756.70

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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.