Home / 148,027.60-222,271.80-85,819.60

Finding the Fourth Proportional to 148,027.60, 222,271.80 and 85,819.60

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Solution

The fourth proportional to 148,027.60, 222,271.80 and 85,819.60 is: 128,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,027.60 : 222,271.80 = 85,819.60 : x
  2. Step 2: Convert to fraction form
    148,027.60/222,271.80 = 85,819.60/x
  3. Step 3: Cross multiply
    148,027.60x = 222,271.80 × 85,819.60
  4. Step 4: Simplify right side
    148,027.60x = 19,075,276,967.28
  5. Step 5: Solve for x
    x = 19,075,276,967.28/148,027.60
  6. Step 6: Final answer
    x = 128,862.98

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1.5x scale

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.