Home / 149,075.20-223,612.80-148,200.40

Finding the Fourth Proportional to 149,075.20, 223,612.80 and 148,200.40

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Solution

The fourth proportional to 149,075.20, 223,612.80 and 148,200.40 is: 222,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,075.20 : 223,612.80 = 148,200.40 : x
  2. Step 2: Convert to fraction form
    149,075.20/223,612.80 = 148,200.40/x
  3. Step 3: Cross multiply
    149,075.20x = 223,612.80 × 148,200.40
  4. Step 4: Simplify right side
    149,075.20x = 33,139,506,405.12
  5. Step 5: Solve for x
    x = 33,139,506,405.12/149,075.20
  6. Step 6: Final answer
    x = 222,300.60

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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.