Home / 248,242.47-342,564.38-135,065.67

Finding the Fourth Proportional to 248,242.47, 342,564.38 and 135,065.67

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Solution

The fourth proportional to 248,242.47, 342,564.38 and 135,065.67 is: 186,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,242.47 : 342,564.38 = 135,065.67 : x
  2. Step 2: Convert to fraction form
    248,242.47/342,564.38 = 135,065.67/x
  3. Step 3: Cross multiply
    248,242.47x = 342,564.38 × 135,065.67
  4. Step 4: Simplify right side
    248,242.47x = 46,268,686,827.51
  5. Step 5: Solve for x
    x = 46,268,686,827.51/248,242.47
  6. Step 6: Final answer
    x = 186,385.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.