Home / 163,669.49-245,280.28-123,655.59

Finding the Fourth Proportional to 163,669.49, 245,280.28 and 123,655.59

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Solution

The fourth proportional to 163,669.49, 245,280.28 and 123,655.59 is: 185,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,669.49 : 245,280.28 = 123,655.59 : x
  2. Step 2: Convert to fraction form
    163,669.49/245,280.28 = 123,655.59/x
  3. Step 3: Cross multiply
    163,669.49x = 245,280.28 × 123,655.59
  4. Step 4: Simplify right side
    163,669.49x = 30,330,277,738.77
  5. Step 5: Solve for x
    x = 30,330,277,738.77/163,669.49
  6. Step 6: Final answer
    x = 185,314.18

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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.