Home / 210,423.42-290,384.31-114,930.34

Finding the Fourth Proportional to 210,423.42, 290,384.31 and 114,930.34

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Solution

The fourth proportional to 210,423.42, 290,384.31 and 114,930.34 is: 158,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,423.42 : 290,384.31 = 114,930.34 : x
  2. Step 2: Convert to fraction form
    210,423.42/290,384.31 = 114,930.34/x
  3. Step 3: Cross multiply
    210,423.42x = 290,384.31 × 114,930.34
  4. Step 4: Simplify right side
    210,423.42x = 33,373,967,478.97
  5. Step 5: Solve for x
    x = 33,373,967,478.97/210,423.42
  6. Step 6: Final answer
    x = 158,603.86

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1.5x scale

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.