Home / 154,619.64-211,776.33-145,541.16

Finding the Fourth Proportional to 154,619.64, 211,776.33 and 145,541.16

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Solution

The fourth proportional to 154,619.64, 211,776.33 and 145,541.16 is: 199,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,619.64 : 211,776.33 = 145,541.16 : x
  2. Step 2: Convert to fraction form
    154,619.64/211,776.33 = 145,541.16/x
  3. Step 3: Cross multiply
    154,619.64x = 211,776.33 × 145,541.16
  4. Step 4: Simplify right side
    154,619.64x = 30,822,172,728.74
  5. Step 5: Solve for x
    x = 30,822,172,728.74/154,619.64
  6. Step 6: Final answer
    x = 199,341.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.