Home / 213,554.85-294,779.90-122,946.92

Finding the Fourth Proportional to 213,554.85, 294,779.90 and 122,946.92

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Solution

The fourth proportional to 213,554.85, 294,779.90 and 122,946.92 is: 169,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,554.85 : 294,779.90 = 122,946.92 : x
  2. Step 2: Convert to fraction form
    213,554.85/294,779.90 = 122,946.92/x
  3. Step 3: Cross multiply
    213,554.85x = 294,779.90 × 122,946.92
  4. Step 4: Simplify right side
    213,554.85x = 36,242,280,782.91
  5. Step 5: Solve for x
    x = 36,242,280,782.91/213,554.85
  6. Step 6: Final answer
    x = 169,709.47

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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.