Home / 147,075.60-220,613.40-122,581.20

Finding the Fourth Proportional to 147,075.60, 220,613.40 and 122,581.20

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Solution

The fourth proportional to 147,075.60, 220,613.40 and 122,581.20 is: 183,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,075.60 : 220,613.40 = 122,581.20 : x
  2. Step 2: Convert to fraction form
    147,075.60/220,613.40 = 122,581.20/x
  3. Step 3: Cross multiply
    147,075.60x = 220,613.40 × 122,581.20
  4. Step 4: Simplify right side
    147,075.60x = 27,043,055,308.08
  5. Step 5: Solve for x
    x = 27,043,055,308.08/147,075.60
  6. Step 6: Final answer
    x = 183,871.80

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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.