Home / 215,413.49-297,077.09-134,848.35

Finding the Fourth Proportional to 215,413.49, 297,077.09 and 134,848.35

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Solution

The fourth proportional to 215,413.49, 297,077.09 and 134,848.35 is: 185,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,413.49 : 297,077.09 = 134,848.35 : x
  2. Step 2: Convert to fraction form
    215,413.49/297,077.09 = 134,848.35/x
  3. Step 3: Cross multiply
    215,413.49x = 297,077.09 × 134,848.35
  4. Step 4: Simplify right side
    215,413.49x = 40,060,354,735.06
  5. Step 5: Solve for x
    x = 40,060,354,735.06/215,413.49
  6. Step 6: Final answer
    x = 185,969.58

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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.