Home / 147,985.80-222,011.10-73,141.80

Finding the Fourth Proportional to 147,985.80, 222,011.10 and 73,141.80

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Solution

The fourth proportional to 147,985.80, 222,011.10 and 73,141.80 is: 109,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,985.80 : 222,011.10 = 73,141.80 : x
  2. Step 2: Convert to fraction form
    147,985.80/222,011.10 = 73,141.80/x
  3. Step 3: Cross multiply
    147,985.80x = 222,011.10 × 73,141.80
  4. Step 4: Simplify right side
    147,985.80x = 16,238,291,473.98
  5. Step 5: Solve for x
    x = 16,238,291,473.98/147,985.80
  6. Step 6: Final answer
    x = 109,728.71

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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.