Home / 127,721.80-191,582.70-48,838.60

Finding the Fourth Proportional to 127,721.80, 191,582.70 and 48,838.60

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Solution

The fourth proportional to 127,721.80, 191,582.70 and 48,838.60 is: 73,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,721.80 : 191,582.70 = 48,838.60 : x
  2. Step 2: Convert to fraction form
    127,721.80/191,582.70 = 48,838.60/x
  3. Step 3: Cross multiply
    127,721.80x = 191,582.70 × 48,838.60
  4. Step 4: Simplify right side
    127,721.80x = 9,356,630,852.22
  5. Step 5: Solve for x
    x = 9,356,630,852.22/127,721.80
  6. Step 6: Final answer
    x = 73,257.90

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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.