Home / 142,015.98-196,810.54-140,011.50

Finding the Fourth Proportional to 142,015.98, 196,810.54 and 140,011.50

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Solution

The fourth proportional to 142,015.98, 196,810.54 and 140,011.50 is: 194,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015.98 : 196,810.54 = 140,011.50 : x
  2. Step 2: Convert to fraction form
    142,015.98/196,810.54 = 140,011.50/x
  3. Step 3: Cross multiply
    142,015.98x = 196,810.54 × 140,011.50
  4. Step 4: Simplify right side
    142,015.98x = 27,555,738,921.21
  5. Step 5: Solve for x
    x = 27,555,738,921.21/142,015.98
  6. Step 6: Final answer
    x = 194,032.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.