Home / 242,529.67-334,701.30-135,099.78

Finding the Fourth Proportional to 242,529.67, 334,701.30 and 135,099.78

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Solution

The fourth proportional to 242,529.67, 334,701.30 and 135,099.78 is: 186,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,529.67 : 334,701.30 = 135,099.78 : x
  2. Step 2: Convert to fraction form
    242,529.67/334,701.30 = 135,099.78/x
  3. Step 3: Cross multiply
    242,529.67x = 334,701.30 × 135,099.78
  4. Step 4: Simplify right side
    242,529.67x = 45,218,071,995.71
  5. Step 5: Solve for x
    x = 45,218,071,995.71/242,529.67
  6. Step 6: Final answer
    x = 186,443.46

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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.