Home / 163,759.08-245,681.55-51,434.76

Finding the Fourth Proportional to 163,759.08, 245,681.55 and 51,434.76

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Solution

The fourth proportional to 163,759.08, 245,681.55 and 51,434.76 is: 77,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,759.08 : 245,681.55 = 51,434.76 : x
  2. Step 2: Convert to fraction form
    163,759.08/245,681.55 = 51,434.76/x
  3. Step 3: Cross multiply
    163,759.08x = 245,681.55 × 51,434.76
  4. Step 4: Simplify right side
    163,759.08x = 12,636,571,560.68
  5. Step 5: Solve for x
    x = 12,636,571,560.68/163,759.08
  6. Step 6: Final answer
    x = 77,165.62

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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.