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Finding the Fourth Proportional to 127,148.86, 190,848.84 and 95,448.70

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Solution

The fourth proportional to 127,148.86, 190,848.84 and 95,448.70 is: 143,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,148.86 : 190,848.84 = 95,448.70 : x
  2. Step 2: Convert to fraction form
    127,148.86/190,848.84 = 95,448.70/x
  3. Step 3: Cross multiply
    127,148.86x = 190,848.84 × 95,448.70
  4. Step 4: Simplify right side
    127,148.86x = 18,216,273,674.51
  5. Step 5: Solve for x
    x = 18,216,273,674.51/127,148.86
  6. Step 6: Final answer
    x = 143,267.30

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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.