Home / 229,968.90-344,953.35-80,159.40

Finding the Fourth Proportional to 229,968.90, 344,953.35 and 80,159.40

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Solution

The fourth proportional to 229,968.90, 344,953.35 and 80,159.40 is: 120,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,968.90 : 344,953.35 = 80,159.40 : x
  2. Step 2: Convert to fraction form
    229,968.90/344,953.35 = 80,159.40/x
  3. Step 3: Cross multiply
    229,968.90x = 344,953.35 × 80,159.40
  4. Step 4: Simplify right side
    229,968.90x = 27,651,253,563.99
  5. Step 5: Solve for x
    x = 27,651,253,563.99/229,968.90
  6. Step 6: Final answer
    x = 120,239.10

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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.