Home / 127,088.82-190,509.28-60,511.08

Finding the Fourth Proportional to 127,088.82, 190,509.28 and 60,511.08

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Solution

The fourth proportional to 127,088.82, 190,509.28 and 60,511.08 is: 90,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.82 : 190,509.28 = 60,511.08 : x
  2. Step 2: Convert to fraction form
    127,088.82/190,509.28 = 60,511.08/x
  3. Step 3: Cross multiply
    127,088.82x = 190,509.28 × 60,511.08
  4. Step 4: Simplify right side
    127,088.82x = 11,527,922,282.82
  5. Step 5: Solve for x
    x = 11,527,922,282.82/127,088.82
  6. Step 6: Final answer
    x = 90,707.60

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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.