Home / 163,874.88-245,617.92-70,182.72

Finding the Fourth Proportional to 163,874.88, 245,617.92 and 70,182.72

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Solution

The fourth proportional to 163,874.88, 245,617.92 and 70,182.72 is: 105,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,874.88 : 245,617.92 = 70,182.72 : x
  2. Step 2: Convert to fraction form
    163,874.88/245,617.92 = 70,182.72/x
  3. Step 3: Cross multiply
    163,874.88x = 245,617.92 × 70,182.72
  4. Step 4: Simplify right side
    163,874.88x = 17,238,133,706.34
  5. Step 5: Solve for x
    x = 17,238,133,706.34/163,874.88
  6. Step 6: Final answer
    x = 105,190.82

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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.