Home / 445,767.16-668,653.98-130,443.88

Finding the Fourth Proportional to 445,767.16, 668,653.98 and 130,443.88

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Solution

The fourth proportional to 445,767.16, 668,653.98 and 130,443.88 is: 195,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,767.16 : 668,653.98 = 130,443.88 : x
  2. Step 2: Convert to fraction form
    445,767.16/668,653.98 = 130,443.88/x
  3. Step 3: Cross multiply
    445,767.16x = 668,653.98 × 130,443.88
  4. Step 4: Simplify right side
    445,767.16x = 87,221,819,528.64
  5. Step 5: Solve for x
    x = 87,221,819,528.64/445,767.16
  6. Step 6: Final answer
    x = 195,666.77

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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.