Home / 247,916.24-342,126.64-134,739.12

Finding the Fourth Proportional to 247,916.24, 342,126.64 and 134,739.12

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Solution

The fourth proportional to 247,916.24, 342,126.64 and 134,739.12 is: 185,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,916.24 : 342,126.64 = 134,739.12 : x
  2. Step 2: Convert to fraction form
    247,916.24/342,126.64 = 134,739.12/x
  3. Step 3: Cross multiply
    247,916.24x = 342,126.64 × 134,739.12
  4. Step 4: Simplify right side
    247,916.24x = 46,097,842,402.16
  5. Step 5: Solve for x
    x = 46,097,842,402.16/247,916.24
  6. Step 6: Final answer
    x = 185,941.20

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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.