Home / 253,074.04-349,228.47-139,889.50

Finding the Fourth Proportional to 253,074.04, 349,228.47 and 139,889.50

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Solution

The fourth proportional to 253,074.04, 349,228.47 and 139,889.50 is: 193,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,074.04 : 349,228.47 = 139,889.50 : x
  2. Step 2: Convert to fraction form
    253,074.04/349,228.47 = 139,889.50/x
  3. Step 3: Cross multiply
    253,074.04x = 349,228.47 × 139,889.50
  4. Step 4: Simplify right side
    253,074.04x = 48,853,396,054.07
  5. Step 5: Solve for x
    x = 48,853,396,054.07/253,074.04
  6. Step 6: Final answer
    x = 193,039.93

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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.