Home / 154,821.21-232,229.62-42,501.30

Finding the Fourth Proportional to 154,821.21, 232,229.62 and 42,501.30

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Solution

The fourth proportional to 154,821.21, 232,229.62 and 42,501.30 is: 63,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,821.21 : 232,229.62 = 42,501.30 : x
  2. Step 2: Convert to fraction form
    154,821.21/232,229.62 = 42,501.30/x
  3. Step 3: Cross multiply
    154,821.21x = 232,229.62 × 42,501.30
  4. Step 4: Simplify right side
    154,821.21x = 9,870,060,748.51
  5. Step 5: Solve for x
    x = 9,870,060,748.51/154,821.21
  6. Step 6: Final answer
    x = 63,751.35

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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.