Home / 124,274.80-171,511.15-76,556.08

Finding the Fourth Proportional to 124,274.80, 171,511.15 and 76,556.08

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Solution

The fourth proportional to 124,274.80, 171,511.15 and 76,556.08 is: 105,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.80 : 171,511.15 = 76,556.08 : x
  2. Step 2: Convert to fraction form
    124,274.80/171,511.15 = 76,556.08/x
  3. Step 3: Cross multiply
    124,274.80x = 171,511.15 × 76,556.08
  4. Step 4: Simplify right side
    124,274.80x = 13,130,220,700.12
  5. Step 5: Solve for x
    x = 13,130,220,700.12/124,274.80
  6. Step 6: Final answer
    x = 105,654.73

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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.