Home / 147,897.20-221,845.80-122,965.40

Finding the Fourth Proportional to 147,897.20, 221,845.80 and 122,965.40

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Solution

The fourth proportional to 147,897.20, 221,845.80 and 122,965.40 is: 184,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,897.20 : 221,845.80 = 122,965.40 : x
  2. Step 2: Convert to fraction form
    147,897.20/221,845.80 = 122,965.40/x
  3. Step 3: Cross multiply
    147,897.20x = 221,845.80 × 122,965.40
  4. Step 4: Simplify right side
    147,897.20x = 27,279,357,535.32
  5. Step 5: Solve for x
    x = 27,279,357,535.32/147,897.20
  6. Step 6: Final answer
    x = 184,448.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.