Home / 148,745.27-223,089.23-42,128.40

Finding the Fourth Proportional to 148,745.27, 223,089.23 and 42,128.40

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Solution

The fourth proportional to 148,745.27, 223,089.23 and 42,128.40 is: 63,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,745.27 : 223,089.23 = 42,128.40 : x
  2. Step 2: Convert to fraction form
    148,745.27/223,089.23 = 42,128.40/x
  3. Step 3: Cross multiply
    148,745.27x = 223,089.23 × 42,128.40
  4. Step 4: Simplify right side
    148,745.27x = 9,398,392,106.49
  5. Step 5: Solve for x
    x = 9,398,392,106.49/148,745.27
  6. Step 6: Final answer
    x = 63,184.48

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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.