Home / 154,879.20-232,318.80-102,002.40

Finding the Fourth Proportional to 154,879.20, 232,318.80 and 102,002.40

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Solution

The fourth proportional to 154,879.20, 232,318.80 and 102,002.40 is: 153,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,879.20 : 232,318.80 = 102,002.40 : x
  2. Step 2: Convert to fraction form
    154,879.20/232,318.80 = 102,002.40/x
  3. Step 3: Cross multiply
    154,879.20x = 232,318.80 × 102,002.40
  4. Step 4: Simplify right side
    154,879.20x = 23,697,075,165.12
  5. Step 5: Solve for x
    x = 23,697,075,165.12/154,879.20
  6. Step 6: Final answer
    x = 153,003.60

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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.