Home / 103,075.20-154,612.80-46,942.20

Finding the Fourth Proportional to 103,075.20, 154,612.80 and 46,942.20

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Solution

The fourth proportional to 103,075.20, 154,612.80 and 46,942.20 is: 70,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,075.20 : 154,612.80 = 46,942.20 : x
  2. Step 2: Convert to fraction form
    103,075.20/154,612.80 = 46,942.20/x
  3. Step 3: Cross multiply
    103,075.20x = 154,612.80 × 46,942.20
  4. Step 4: Simplify right side
    103,075.20x = 7,257,864,980.16
  5. Step 5: Solve for x
    x = 7,257,864,980.16/103,075.20
  6. Step 6: Final answer
    x = 70,413.30

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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.