Home / 160,621.76-240,741.48-121,048.40

Finding the Fourth Proportional to 160,621.76, 240,741.48 and 121,048.40

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Solution

The fourth proportional to 160,621.76, 240,741.48 and 121,048.40 is: 181,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,621.76 : 240,741.48 = 121,048.40 : x
  2. Step 2: Convert to fraction form
    160,621.76/240,741.48 = 121,048.40/x
  3. Step 3: Cross multiply
    160,621.76x = 240,741.48 × 121,048.40
  4. Step 4: Simplify right side
    160,621.76x = 29,141,370,967.63
  5. Step 5: Solve for x
    x = 29,141,370,967.63/160,621.76
  6. Step 6: Final answer
    x = 181,428.54

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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.