Home / 245,623.32-368,434.96-68,130.34

Finding the Fourth Proportional to 245,623.32, 368,434.96 and 68,130.34

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Solution

The fourth proportional to 245,623.32, 368,434.96 and 68,130.34 is: 102,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,623.32 : 368,434.96 = 68,130.34 : x
  2. Step 2: Convert to fraction form
    245,623.32/368,434.96 = 68,130.34/x
  3. Step 3: Cross multiply
    245,623.32x = 368,434.96 × 68,130.34
  4. Step 4: Simplify right side
    245,623.32x = 25,101,596,909.86
  5. Step 5: Solve for x
    x = 25,101,596,909.86/245,623.32
  6. Step 6: Final answer
    x = 102,195.50

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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.