Home / 248,411.16-342,762.26-140,985.72

Finding the Fourth Proportional to 248,411.16, 342,762.26 and 140,985.72

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Solution

The fourth proportional to 248,411.16, 342,762.26 and 140,985.72 is: 194,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,411.16 : 342,762.26 = 140,985.72 : x
  2. Step 2: Convert to fraction form
    248,411.16/342,762.26 = 140,985.72/x
  3. Step 3: Cross multiply
    248,411.16x = 342,762.26 × 140,985.72
  4. Step 4: Simplify right side
    248,411.16x = 48,324,584,014.93
  5. Step 5: Solve for x
    x = 48,324,584,014.93/248,411.16
  6. Step 6: Final answer
    x = 194,534.67

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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.