Home / 163,815.16-245,722.53-51,505.18

Finding the Fourth Proportional to 163,815.16, 245,722.53 and 51,505.18

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Solution

The fourth proportional to 163,815.16, 245,722.53 and 51,505.18 is: 77,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.16 : 245,722.53 = 51,505.18 : x
  2. Step 2: Convert to fraction form
    163,815.16/245,722.53 = 51,505.18/x
  3. Step 3: Cross multiply
    163,815.16x = 245,722.53 × 51,505.18
  4. Step 4: Simplify right side
    163,815.16x = 12,655,983,137.71
  5. Step 5: Solve for x
    x = 12,655,983,137.71/163,815.16
  6. Step 6: Final answer
    x = 77,257.70

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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.