Home / 175,075.20-262,612.80-156,048.30

Finding the Fourth Proportional to 175,075.20, 262,612.80 and 156,048.30

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Solution

The fourth proportional to 175,075.20, 262,612.80 and 156,048.30 is: 234,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,075.20 : 262,612.80 = 156,048.30 : x
  2. Step 2: Convert to fraction form
    175,075.20/262,612.80 = 156,048.30/x
  3. Step 3: Cross multiply
    175,075.20x = 262,612.80 × 156,048.30
  4. Step 4: Simplify right side
    175,075.20x = 40,980,280,998.24
  5. Step 5: Solve for x
    x = 40,980,280,998.24/175,075.20
  6. Step 6: Final answer
    x = 234,072.45

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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.