Home / 134,089.81-201,217.77-77,956.34

Finding the Fourth Proportional to 134,089.81, 201,217.77 and 77,956.34

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Solution

The fourth proportional to 134,089.81, 201,217.77 and 77,956.34 is: 116,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,089.81 : 201,217.77 = 77,956.34 : x
  2. Step 2: Convert to fraction form
    134,089.81/201,217.77 = 77,956.34/x
  3. Step 3: Cross multiply
    134,089.81x = 201,217.77 × 77,956.34
  4. Step 4: Simplify right side
    134,089.81x = 15,686,199,886.07
  5. Step 5: Solve for x
    x = 15,686,199,886.07/134,089.81
  6. Step 6: Final answer
    x = 116,982.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.