Home / 127,555.56-191,317.98-74,277.48

Finding the Fourth Proportional to 127,555.56, 191,317.98 and 74,277.48

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Solution

The fourth proportional to 127,555.56, 191,317.98 and 74,277.48 is: 111,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,555.56 : 191,317.98 = 74,277.48 : x
  2. Step 2: Convert to fraction form
    127,555.56/191,317.98 = 74,277.48/x
  3. Step 3: Cross multiply
    127,555.56x = 191,317.98 × 74,277.48
  4. Step 4: Simplify right side
    127,555.56x = 14,210,617,433.09
  5. Step 5: Solve for x
    x = 14,210,617,433.09/127,555.56
  6. Step 6: Final answer
    x = 111,407.28

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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.