Home / 140,703.42-194,164.02-77,041.56

Finding the Fourth Proportional to 140,703.42, 194,164.02 and 77,041.56

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Solution

The fourth proportional to 140,703.42, 194,164.02 and 77,041.56 is: 106,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.42 : 194,164.02 = 77,041.56 : x
  2. Step 2: Convert to fraction form
    140,703.42/194,164.02 = 77,041.56/x
  3. Step 3: Cross multiply
    140,703.42x = 194,164.02 × 77,041.56
  4. Step 4: Simplify right side
    140,703.42x = 14,958,698,996.67
  5. Step 5: Solve for x
    x = 14,958,698,996.67/140,703.42
  6. Step 6: Final answer
    x = 106,313.68

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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.