Home / 252,973.54-349,089.75-139,789

Finding the Fourth Proportional to 252,973.54, 349,089.75 and 139,789

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Solution

The fourth proportional to 252,973.54, 349,089.75 and 139,789 is: 192,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,973.54 : 349,089.75 = 139,789 : x
  2. Step 2: Convert to fraction form
    252,973.54/349,089.75 = 139,789/x
  3. Step 3: Cross multiply
    252,973.54x = 349,089.75 × 139,789
  4. Step 4: Simplify right side
    252,973.54x = 48,798,907,062.75
  5. Step 5: Solve for x
    x = 48,798,907,062.75/252,973.54
  6. Step 6: Final answer
    x = 192,901.23

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1.5x scale

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.