Home / 127,539.90-191,313-60,987.06

Finding the Fourth Proportional to 127,539.90, 191,313 and 60,987.06

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Solution

The fourth proportional to 127,539.90, 191,313 and 60,987.06 is: 91,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,539.90 : 191,313 = 60,987.06 : x
  2. Step 2: Convert to fraction form
    127,539.90/191,313 = 60,987.06/x
  3. Step 3: Cross multiply
    127,539.90x = 191,313 × 60,987.06
  4. Step 4: Simplify right side
    127,539.90x = 11,667,617,409.78
  5. Step 5: Solve for x
    x = 11,667,617,409.78/127,539.90
  6. Step 6: Final answer
    x = 91,482.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.