Home / 210,423.67-290,384.65-114,930.59

Finding the Fourth Proportional to 210,423.67, 290,384.65 and 114,930.59

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Solution

The fourth proportional to 210,423.67, 290,384.65 and 114,930.59 is: 158,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,423.67 : 290,384.65 = 114,930.59 : x
  2. Step 2: Convert to fraction form
    210,423.67/290,384.65 = 114,930.59/x
  3. Step 3: Cross multiply
    210,423.67x = 290,384.65 × 114,930.59
  4. Step 4: Simplify right side
    210,423.67x = 33,374,079,151.44
  5. Step 5: Solve for x
    x = 33,374,079,151.44/210,423.67
  6. Step 6: Final answer
    x = 158,604.21

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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.