Home / 124,513.60-186,478.80-94,770.40

Finding the Fourth Proportional to 124,513.60, 186,478.80 and 94,770.40

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Solution

The fourth proportional to 124,513.60, 186,478.80 and 94,770.40 is: 141,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513.60 : 186,478.80 = 94,770.40 : x
  2. Step 2: Convert to fraction form
    124,513.60/186,478.80 = 94,770.40/x
  3. Step 3: Cross multiply
    124,513.60x = 186,478.80 × 94,770.40
  4. Step 4: Simplify right side
    124,513.60x = 17,672,670,467.52
  5. Step 5: Solve for x
    x = 17,672,670,467.52/124,513.60
  6. Step 6: Final answer
    x = 141,933.66

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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.