Home / 127,290.96-175,667.09-70,702.34

Finding the Fourth Proportional to 127,290.96, 175,667.09 and 70,702.34

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Solution

The fourth proportional to 127,290.96, 175,667.09 and 70,702.34 is: 97,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,290.96 : 175,667.09 = 70,702.34 : x
  2. Step 2: Convert to fraction form
    127,290.96/175,667.09 = 70,702.34/x
  3. Step 3: Cross multiply
    127,290.96x = 175,667.09 × 70,702.34
  4. Step 4: Simplify right side
    127,290.96x = 12,420,073,092.14
  5. Step 5: Solve for x
    x = 12,420,073,092.14/127,290.96
  6. Step 6: Final answer
    x = 97,572.31

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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.