Home / 154,051.16-230,885.88-87,289.04

Finding the Fourth Proportional to 154,051.16, 230,885.88 and 87,289.04

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Solution

The fourth proportional to 154,051.16, 230,885.88 and 87,289.04 is: 130,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,051.16 : 230,885.88 = 87,289.04 : x
  2. Step 2: Convert to fraction form
    154,051.16/230,885.88 = 87,289.04/x
  3. Step 3: Cross multiply
    154,051.16x = 230,885.88 × 87,289.04
  4. Step 4: Simplify right side
    154,051.16x = 20,153,806,814.76
  5. Step 5: Solve for x
    x = 20,153,806,814.76/154,051.16
  6. Step 6: Final answer
    x = 130,825.41

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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.