Home / 127,036.94-190,562.70-38,281.20

Finding the Fourth Proportional to 127,036.94, 190,562.70 and 38,281.20

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Solution

The fourth proportional to 127,036.94, 190,562.70 and 38,281.20 is: 57,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.94 : 190,562.70 = 38,281.20 : x
  2. Step 2: Convert to fraction form
    127,036.94/190,562.70 = 38,281.20/x
  3. Step 3: Cross multiply
    127,036.94x = 190,562.70 × 38,281.20
  4. Step 4: Simplify right side
    127,036.94x = 7,294,968,831.24
  5. Step 5: Solve for x
    x = 7,294,968,831.24/127,036.94
  6. Step 6: Final answer
    x = 57,424.00

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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.