Home / 178,903.90-246,910.74-115,426.36

Finding the Fourth Proportional to 178,903.90, 246,910.74 and 115,426.36

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Solution

The fourth proportional to 178,903.90, 246,910.74 and 115,426.36 is: 159,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,903.90 : 246,910.74 = 115,426.36 : x
  2. Step 2: Convert to fraction form
    178,903.90/246,910.74 = 115,426.36/x
  3. Step 3: Cross multiply
    178,903.90x = 246,910.74 × 115,426.36
  4. Step 4: Simplify right side
    178,903.90x = 28,500,007,963.11
  5. Step 5: Solve for x
    x = 28,500,007,963.11/178,903.90
  6. Step 6: Final answer
    x = 159,303.45

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1.5x scale

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.