Home / 102,766.74-141,799.96-57,430.23

Finding the Fourth Proportional to 102,766.74, 141,799.96 and 57,430.23

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Solution

The fourth proportional to 102,766.74, 141,799.96 and 57,430.23 is: 79,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,766.74 : 141,799.96 = 57,430.23 : x
  2. Step 2: Convert to fraction form
    102,766.74/141,799.96 = 57,430.23/x
  3. Step 3: Cross multiply
    102,766.74x = 141,799.96 × 57,430.23
  4. Step 4: Simplify right side
    102,766.74x = 8,143,604,316.79
  5. Step 5: Solve for x
    x = 8,143,604,316.79/102,766.74
  6. Step 6: Final answer
    x = 79,243.58

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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.