Home / 127,356.80-190,913.70-47,373.35

Finding the Fourth Proportional to 127,356.80, 190,913.70 and 47,373.35

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Solution

The fourth proportional to 127,356.80, 190,913.70 and 47,373.35 is: 71,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.80 : 190,913.70 = 47,373.35 : x
  2. Step 2: Convert to fraction form
    127,356.80/190,913.70 = 47,373.35/x
  3. Step 3: Cross multiply
    127,356.80x = 190,913.70 × 47,373.35
  4. Step 4: Simplify right side
    127,356.80x = 9,044,221,529.90
  5. Step 5: Solve for x
    x = 9,044,221,529.90/127,356.80
  6. Step 6: Final answer
    x = 71,014.83

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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.