Home / 209,962.56-289,749.24-134,554.80

Finding the Fourth Proportional to 209,962.56, 289,749.24 and 134,554.80

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Solution

The fourth proportional to 209,962.56, 289,749.24 and 134,554.80 is: 185,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,962.56 : 289,749.24 = 134,554.80 : x
  2. Step 2: Convert to fraction form
    209,962.56/289,749.24 = 134,554.80/x
  3. Step 3: Cross multiply
    209,962.56x = 289,749.24 × 134,554.80
  4. Step 4: Simplify right side
    209,962.56x = 38,987,151,038.35
  5. Step 5: Solve for x
    x = 38,987,151,038.35/209,962.56
  6. Step 6: Final answer
    x = 185,686.21

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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.