Home / 118,271.34-163,213.79-64,556.19

Finding the Fourth Proportional to 118,271.34, 163,213.79 and 64,556.19

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Solution

The fourth proportional to 118,271.34, 163,213.79 and 64,556.19 is: 89,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,271.34 : 163,213.79 = 64,556.19 : x
  2. Step 2: Convert to fraction form
    118,271.34/163,213.79 = 64,556.19/x
  3. Step 3: Cross multiply
    118,271.34x = 163,213.79 × 64,556.19
  4. Step 4: Simplify right side
    118,271.34x = 10,536,460,115.08
  5. Step 5: Solve for x
    x = 10,536,460,115.08/118,271.34
  6. Step 6: Final answer
    x = 89,087.18

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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.