Home / 155,460.20-233,075.10-105,415.40

Finding the Fourth Proportional to 155,460.20, 233,075.10 and 105,415.40

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Solution

The fourth proportional to 155,460.20, 233,075.10 and 105,415.40 is: 158,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,460.20 : 233,075.10 = 105,415.40 : x
  2. Step 2: Convert to fraction form
    155,460.20/233,075.10 = 105,415.40/x
  3. Step 3: Cross multiply
    155,460.20x = 233,075.10 × 105,415.40
  4. Step 4: Simplify right side
    155,460.20x = 24,569,704,896.54
  5. Step 5: Solve for x
    x = 24,569,704,896.54/155,460.20
  6. Step 6: Final answer
    x = 158,044.98

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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.