Home / 163,016.51-224,702.85-128,504.96

Finding the Fourth Proportional to 163,016.51, 224,702.85 and 128,504.96

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Solution

The fourth proportional to 163,016.51, 224,702.85 and 128,504.96 is: 177,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,016.51 : 224,702.85 = 128,504.96 : x
  2. Step 2: Convert to fraction form
    163,016.51/224,702.85 = 128,504.96/x
  3. Step 3: Cross multiply
    163,016.51x = 224,702.85 × 128,504.96
  4. Step 4: Simplify right side
    163,016.51x = 28,875,430,951.25
  5. Step 5: Solve for x
    x = 28,875,430,951.25/163,016.51
  6. Step 6: Final answer
    x = 177,131.94

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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.