Home / 211,024.80-316,537.20-70,749.60

Finding the Fourth Proportional to 211,024.80, 316,537.20 and 70,749.60

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Solution

The fourth proportional to 211,024.80, 316,537.20 and 70,749.60 is: 106,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.80 : 316,537.20 = 70,749.60 : x
  2. Step 2: Convert to fraction form
    211,024.80/316,537.20 = 70,749.60/x
  3. Step 3: Cross multiply
    211,024.80x = 316,537.20 × 70,749.60
  4. Step 4: Simplify right side
    211,024.80x = 22,394,880,285.12
  5. Step 5: Solve for x
    x = 22,394,880,285.12/211,024.80
  6. Step 6: Final answer
    x = 106,124.40

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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.