Home / 236,742.81-355,269.57-86,984.34

Finding the Fourth Proportional to 236,742.81, 355,269.57 and 86,984.34

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Solution

The fourth proportional to 236,742.81, 355,269.57 and 86,984.34 is: 130,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,742.81 : 355,269.57 = 86,984.34 : x
  2. Step 2: Convert to fraction form
    236,742.81/355,269.57 = 86,984.34/x
  3. Step 3: Cross multiply
    236,742.81x = 355,269.57 × 86,984.34
  4. Step 4: Simplify right side
    236,742.81x = 30,902,889,068.53
  5. Step 5: Solve for x
    x = 30,902,889,068.53/236,742.81
  6. Step 6: Final answer
    x = 130,533.59

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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.