Home / 142,233.32-196,282.67-77,703.45

Finding the Fourth Proportional to 142,233.32, 196,282.67 and 77,703.45

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Solution

The fourth proportional to 142,233.32, 196,282.67 and 77,703.45 is: 107,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,233.32 : 196,282.67 = 77,703.45 : x
  2. Step 2: Convert to fraction form
    142,233.32/196,282.67 = 77,703.45/x
  3. Step 3: Cross multiply
    142,233.32x = 196,282.67 × 77,703.45
  4. Step 4: Simplify right side
    142,233.32x = 15,251,840,245.69
  5. Step 5: Solve for x
    x = 15,251,840,245.69/142,233.32
  6. Step 6: Final answer
    x = 107,231.14

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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.