Home / 208,981.63-288,482.94-141,090.57

Finding the Fourth Proportional to 208,981.63, 288,482.94 and 141,090.57

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Solution

The fourth proportional to 208,981.63, 288,482.94 and 141,090.57 is: 194,764.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,981.63 : 288,482.94 = 141,090.57 : x
  2. Step 2: Convert to fraction form
    208,981.63/288,482.94 = 141,090.57/x
  3. Step 3: Cross multiply
    208,981.63x = 288,482.94 × 141,090.57
  4. Step 4: Simplify right side
    208,981.63x = 40,702,220,828.98
  5. Step 5: Solve for x
    x = 40,702,220,828.98/208,981.63
  6. Step 6: Final answer
    x = 194,764.59

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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.