Home / 149,830.07-224,743.56-86,609.96

Finding the Fourth Proportional to 149,830.07, 224,743.56 and 86,609.96

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Solution

The fourth proportional to 149,830.07, 224,743.56 and 86,609.96 is: 129,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,830.07 : 224,743.56 = 86,609.96 : x
  2. Step 2: Convert to fraction form
    149,830.07/224,743.56 = 86,609.96/x
  3. Step 3: Cross multiply
    149,830.07x = 224,743.56 × 86,609.96
  4. Step 4: Simplify right side
    149,830.07x = 19,465,031,303.72
  5. Step 5: Solve for x
    x = 19,465,031,303.72/149,830.07
  6. Step 6: Final answer
    x = 129,914.05

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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.