Home / 189,880.98-262,035.05-107,088.39

Finding the Fourth Proportional to 189,880.98, 262,035.05 and 107,088.39

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Solution

The fourth proportional to 189,880.98, 262,035.05 and 107,088.39 is: 147,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,880.98 : 262,035.05 = 107,088.39 : x
  2. Step 2: Convert to fraction form
    189,880.98/262,035.05 = 107,088.39/x
  3. Step 3: Cross multiply
    189,880.98x = 262,035.05 × 107,088.39
  4. Step 4: Simplify right side
    189,880.98x = 28,060,911,092.63
  5. Step 5: Solve for x
    x = 28,060,911,092.63/189,880.98
  6. Step 6: Final answer
    x = 147,781.58

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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.