Home / 118,947.07-178,420.74-40,054.69

Finding the Fourth Proportional to 118,947.07, 178,420.74 and 40,054.69

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Solution

The fourth proportional to 118,947.07, 178,420.74 and 40,054.69 is: 60,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,947.07 : 178,420.74 = 40,054.69 : x
  2. Step 2: Convert to fraction form
    118,947.07/178,420.74 = 40,054.69/x
  3. Step 3: Cross multiply
    118,947.07x = 178,420.74 × 40,054.69
  4. Step 4: Simplify right side
    118,947.07x = 7,146,587,430.27
  5. Step 5: Solve for x
    x = 7,146,587,430.27/118,947.07
  6. Step 6: Final answer
    x = 60,082.08

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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.