Home / 127,238.77-190,798.91-47,221.01

Finding the Fourth Proportional to 127,238.77, 190,798.91 and 47,221.01

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Solution

The fourth proportional to 127,238.77, 190,798.91 and 47,221.01 is: 70,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,238.77 : 190,798.91 = 47,221.01 : x
  2. Step 2: Convert to fraction form
    127,238.77/190,798.91 = 47,221.01/x
  3. Step 3: Cross multiply
    127,238.77x = 190,798.91 × 47,221.01
  4. Step 4: Simplify right side
    127,238.77x = 9,009,716,047.00
  5. Step 5: Solve for x
    x = 9,009,716,047.00/127,238.77
  6. Step 6: Final answer
    x = 70,809.52

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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.