Home / 147,971.80-221,811.90-73,030.60

Finding the Fourth Proportional to 147,971.80, 221,811.90 and 73,030.60

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Solution

The fourth proportional to 147,971.80, 221,811.90 and 73,030.60 is: 109,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,971.80 : 221,811.90 = 73,030.60 : x
  2. Step 2: Convert to fraction form
    147,971.80/221,811.90 = 73,030.60/x
  3. Step 3: Cross multiply
    147,971.80x = 221,811.90 × 73,030.60
  4. Step 4: Simplify right side
    147,971.80x = 16,199,056,144.14
  5. Step 5: Solve for x
    x = 16,199,056,144.14/147,971.80
  6. Step 6: Final answer
    x = 109,473.94

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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.