Home / 153,024.49-211,169.58-85,039.72

Finding the Fourth Proportional to 153,024.49, 211,169.58 and 85,039.72

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Solution

The fourth proportional to 153,024.49, 211,169.58 and 85,039.72 is: 117,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,024.49 : 211,169.58 = 85,039.72 : x
  2. Step 2: Convert to fraction form
    153,024.49/211,169.58 = 85,039.72/x
  3. Step 3: Cross multiply
    153,024.49x = 211,169.58 × 85,039.72
  4. Step 4: Simplify right side
    153,024.49x = 17,957,801,955.72
  5. Step 5: Solve for x
    x = 17,957,801,955.72/153,024.49
  6. Step 6: Final answer
    x = 117,352.47

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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.