Home / 145,886.40-217,684.44-130,976.46

Finding the Fourth Proportional to 145,886.40, 217,684.44 and 130,976.46

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Solution

The fourth proportional to 145,886.40, 217,684.44 and 130,976.46 is: 195,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,886.40 : 217,684.44 = 130,976.46 : x
  2. Step 2: Convert to fraction form
    145,886.40/217,684.44 = 130,976.46/x
  3. Step 3: Cross multiply
    145,886.40x = 217,684.44 × 130,976.46
  4. Step 4: Simplify right side
    145,886.40x = 28,511,537,348.28
  5. Step 5: Solve for x
    x = 28,511,537,348.28/145,886.40
  6. Step 6: Final answer
    x = 195,436.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.