Home / 145,826.10-218,712.15-40,623.30

Finding the Fourth Proportional to 145,826.10, 218,712.15 and 40,623.30

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Solution

The fourth proportional to 145,826.10, 218,712.15 and 40,623.30 is: 60,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,826.10 : 218,712.15 = 40,623.30 : x
  2. Step 2: Convert to fraction form
    145,826.10/218,712.15 = 40,623.30/x
  3. Step 3: Cross multiply
    145,826.10x = 218,712.15 × 40,623.30
  4. Step 4: Simplify right side
    145,826.10x = 8,884,809,283.10
  5. Step 5: Solve for x
    x = 8,884,809,283.10/145,826.10
  6. Step 6: Final answer
    x = 60,927.43

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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.