Home / 188,421.93-260,036.73-107,874.72

Finding the Fourth Proportional to 188,421.93, 260,036.73 and 107,874.72

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Solution

The fourth proportional to 188,421.93, 260,036.73 and 107,874.72 is: 148,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,421.93 : 260,036.73 = 107,874.72 : x
  2. Step 2: Convert to fraction form
    188,421.93/260,036.73 = 107,874.72/x
  3. Step 3: Cross multiply
    188,421.93x = 260,036.73 × 107,874.72
  4. Step 4: Simplify right side
    188,421.93x = 28,051,389,438.47
  5. Step 5: Solve for x
    x = 28,051,389,438.47/188,421.93
  6. Step 6: Final answer
    x = 148,875.40

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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.