Home / 154,515.80-231,752.10-49,345.40

Finding the Fourth Proportional to 154,515.80, 231,752.10 and 49,345.40

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Solution

The fourth proportional to 154,515.80, 231,752.10 and 49,345.40 is: 74,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,515.80 : 231,752.10 = 49,345.40 : x
  2. Step 2: Convert to fraction form
    154,515.80/231,752.10 = 49,345.40/x
  3. Step 3: Cross multiply
    154,515.80x = 231,752.10 × 49,345.40
  4. Step 4: Simplify right side
    154,515.80x = 11,435,900,075.34
  5. Step 5: Solve for x
    x = 11,435,900,075.34/154,515.80
  6. Step 6: Final answer
    x = 74,011.20

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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.