Home / 76,207.20-114,310.80-46,658.40

Finding the Fourth Proportional to 76,207.20, 114,310.80 and 46,658.40

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Solution

The fourth proportional to 76,207.20, 114,310.80 and 46,658.40 is: 69,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.20 : 114,310.80 = 46,658.40 : x
  2. Step 2: Convert to fraction form
    76,207.20/114,310.80 = 46,658.40/x
  3. Step 3: Cross multiply
    76,207.20x = 114,310.80 × 46,658.40
  4. Step 4: Simplify right side
    76,207.20x = 5,333,559,030.72
  5. Step 5: Solve for x
    x = 5,333,559,030.72/76,207.20
  6. Step 6: Final answer
    x = 69,987.60

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1.5x scale

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.