Home / 163,489.04-225,616.08-89,902.77

Finding the Fourth Proportional to 163,489.04, 225,616.08 and 89,902.77

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Solution

The fourth proportional to 163,489.04, 225,616.08 and 89,902.77 is: 124,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,489.04 : 225,616.08 = 89,902.77 : x
  2. Step 2: Convert to fraction form
    163,489.04/225,616.08 = 89,902.77/x
  3. Step 3: Cross multiply
    163,489.04x = 225,616.08 × 89,902.77
  4. Step 4: Simplify right side
    163,489.04x = 20,283,509,702.48
  5. Step 5: Solve for x
    x = 20,283,509,702.48/163,489.04
  6. Step 6: Final answer
    x = 124,066.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.