Home / 158,863.47-219,316.70-122,485.45

Finding the Fourth Proportional to 158,863.47, 219,316.70 and 122,485.45

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Solution

The fourth proportional to 158,863.47, 219,316.70 and 122,485.45 is: 169,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,863.47 : 219,316.70 = 122,485.45 : x
  2. Step 2: Convert to fraction form
    158,863.47/219,316.70 = 122,485.45/x
  3. Step 3: Cross multiply
    158,863.47x = 219,316.70 × 122,485.45
  4. Step 4: Simplify right side
    158,863.47x = 26,863,104,692.02
  5. Step 5: Solve for x
    x = 26,863,104,692.02/158,863.47
  6. Step 6: Final answer
    x = 169,095.54

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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.