Home / 121,830.42-182,697.18-46,909.08

Finding the Fourth Proportional to 121,830.42, 182,697.18 and 46,909.08

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Solution

The fourth proportional to 121,830.42, 182,697.18 and 46,909.08 is: 70,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,830.42 : 182,697.18 = 46,909.08 : x
  2. Step 2: Convert to fraction form
    121,830.42/182,697.18 = 46,909.08/x
  3. Step 3: Cross multiply
    121,830.42x = 182,697.18 × 46,909.08
  4. Step 4: Simplify right side
    121,830.42x = 8,570,156,632.39
  5. Step 5: Solve for x
    x = 8,570,156,632.39/121,830.42
  6. Step 6: Final answer
    x = 70,344.97

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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.