Home / 136,892.07-188,907.15-76,460.94

Finding the Fourth Proportional to 136,892.07, 188,907.15 and 76,460.94

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Solution

The fourth proportional to 136,892.07, 188,907.15 and 76,460.94 is: 105,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,892.07 : 188,907.15 = 76,460.94 : x
  2. Step 2: Convert to fraction form
    136,892.07/188,907.15 = 76,460.94/x
  3. Step 3: Cross multiply
    136,892.07x = 188,907.15 × 76,460.94
  4. Step 4: Simplify right side
    136,892.07x = 14,444,018,261.72
  5. Step 5: Solve for x
    x = 14,444,018,261.72/136,892.07
  6. Step 6: Final answer
    x = 105,513.92

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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.