Home / 79,042.51-118,000.31-76,273.93

Finding the Fourth Proportional to 79,042.51, 118,000.31 and 76,273.93

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Solution

The fourth proportional to 79,042.51, 118,000.31 and 76,273.93 is: 113,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042.51 : 118,000.31 = 76,273.93 : x
  2. Step 2: Convert to fraction form
    79,042.51/118,000.31 = 76,273.93/x
  3. Step 3: Cross multiply
    79,042.51x = 118,000.31 × 76,273.93
  4. Step 4: Simplify right side
    79,042.51x = 9,000,347,384.92
  5. Step 5: Solve for x
    x = 9,000,347,384.92/79,042.51
  6. Step 6: Final answer
    x = 113,867.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.