Home / 127,055.73-190,578.14-42,810.33

Finding the Fourth Proportional to 127,055.73, 190,578.14 and 42,810.33

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Solution

The fourth proportional to 127,055.73, 190,578.14 and 42,810.33 is: 64,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,055.73 : 190,578.14 = 42,810.33 : x
  2. Step 2: Convert to fraction form
    127,055.73/190,578.14 = 42,810.33/x
  3. Step 3: Cross multiply
    127,055.73x = 190,578.14 × 42,810.33
  4. Step 4: Simplify right side
    127,055.73x = 8,158,712,850.13
  5. Step 5: Solve for x
    x = 8,158,712,850.13/127,055.73
  6. Step 6: Final answer
    x = 64,213.66

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1.5x scale

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.