Home / 127,368.91-175,583.84-89,009.36

Finding the Fourth Proportional to 127,368.91, 175,583.84 and 89,009.36

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Solution

The fourth proportional to 127,368.91, 175,583.84 and 89,009.36 is: 122,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.91 : 175,583.84 = 89,009.36 : x
  2. Step 2: Convert to fraction form
    127,368.91/175,583.84 = 89,009.36/x
  3. Step 3: Cross multiply
    127,368.91x = 175,583.84 × 89,009.36
  4. Step 4: Simplify right side
    127,368.91x = 15,628,604,817.40
  5. Step 5: Solve for x
    x = 15,628,604,817.40/127,368.91
  6. Step 6: Final answer
    x = 122,703.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.