Home / 149,075.20-223,612.80-38,267.20

Finding the Fourth Proportional to 149,075.20, 223,612.80 and 38,267.20

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Solution

The fourth proportional to 149,075.20, 223,612.80 and 38,267.20 is: 57,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,075.20 : 223,612.80 = 38,267.20 : x
  2. Step 2: Convert to fraction form
    149,075.20/223,612.80 = 38,267.20/x
  3. Step 3: Cross multiply
    149,075.20x = 223,612.80 × 38,267.20
  4. Step 4: Simplify right side
    149,075.20x = 8,557,035,740.16
  5. Step 5: Solve for x
    x = 8,557,035,740.16/149,075.20
  6. Step 6: Final answer
    x = 57,400.80

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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.