Home / 195,128.40-292,630.32-61,977.50

Finding the Fourth Proportional to 195,128.40, 292,630.32 and 61,977.50

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Solution

The fourth proportional to 195,128.40, 292,630.32 and 61,977.50 is: 92,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,128.40 : 292,630.32 = 61,977.50 : x
  2. Step 2: Convert to fraction form
    195,128.40/292,630.32 = 61,977.50/x
  3. Step 3: Cross multiply
    195,128.40x = 292,630.32 × 61,977.50
  4. Step 4: Simplify right side
    195,128.40x = 18,136,494,194.65
  5. Step 5: Solve for x
    x = 18,136,494,194.65/195,128.40
  6. Step 6: Final answer
    x = 92,946.46

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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.