Home / 127,089.10-190,509.72-60,511.33

Finding the Fourth Proportional to 127,089.10, 190,509.72 and 60,511.33

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Solution

The fourth proportional to 127,089.10, 190,509.72 and 60,511.33 is: 90,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.10 : 190,509.72 = 60,511.33 : x
  2. Step 2: Convert to fraction form
    127,089.10/190,509.72 = 60,511.33/x
  3. Step 3: Cross multiply
    127,089.10x = 190,509.72 × 60,511.33
  4. Step 4: Simplify right side
    127,089.10x = 11,527,996,535.13
  5. Step 5: Solve for x
    x = 11,527,996,535.13/127,089.10
  6. Step 6: Final answer
    x = 90,707.99

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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.