Home / 154,754.34-232,135.76-42,436.09

Finding the Fourth Proportional to 154,754.34, 232,135.76 and 42,436.09

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Solution

The fourth proportional to 154,754.34, 232,135.76 and 42,436.09 is: 63,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,754.34 : 232,135.76 = 42,436.09 : x
  2. Step 2: Convert to fraction form
    154,754.34/232,135.76 = 42,436.09/x
  3. Step 3: Cross multiply
    154,754.34x = 232,135.76 × 42,436.09
  4. Step 4: Simplify right side
    154,754.34x = 9,850,934,003.58
  5. Step 5: Solve for x
    x = 9,850,934,003.58/154,754.34
  6. Step 6: Final answer
    x = 63,655.30

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1.5x scale

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.