Home / 103,030.62-154,521.60-28,132.92

Finding the Fourth Proportional to 103,030.62, 154,521.60 and 28,132.92

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Solution

The fourth proportional to 103,030.62, 154,521.60 and 28,132.92 is: 42,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,030.62 : 154,521.60 = 28,132.92 : x
  2. Step 2: Convert to fraction form
    103,030.62/154,521.60 = 28,132.92/x
  3. Step 3: Cross multiply
    103,030.62x = 154,521.60 × 28,132.92
  4. Step 4: Simplify right side
    103,030.62x = 4,347,143,811.07
  5. Step 5: Solve for x
    x = 4,347,143,811.07/103,030.62
  6. Step 6: Final answer
    x = 42,192.74

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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.