Home / 194,740.80-292,226.40-142,017.60

Finding the Fourth Proportional to 194,740.80, 292,226.40 and 142,017.60

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Solution

The fourth proportional to 194,740.80, 292,226.40 and 142,017.60 is: 213,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,740.80 : 292,226.40 = 142,017.60 : x
  2. Step 2: Convert to fraction form
    194,740.80/292,226.40 = 142,017.60/x
  3. Step 3: Cross multiply
    194,740.80x = 292,226.40 × 142,017.60
  4. Step 4: Simplify right side
    194,740.80x = 41,501,291,984.64
  5. Step 5: Solve for x
    x = 41,501,291,984.64/194,740.80
  6. Step 6: Final answer
    x = 213,110.41

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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.