Home / 154,928.08-232,368-42,616.72

Finding the Fourth Proportional to 154,928.08, 232,368 and 42,616.72

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Solution

The fourth proportional to 154,928.08, 232,368 and 42,616.72 is: 63,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,928.08 : 232,368 = 42,616.72 : x
  2. Step 2: Convert to fraction form
    154,928.08/232,368 = 42,616.72/x
  3. Step 3: Cross multiply
    154,928.08x = 232,368 × 42,616.72
  4. Step 4: Simplify right side
    154,928.08x = 9,902,761,992.96
  5. Step 5: Solve for x
    x = 9,902,761,992.96/154,928.08
  6. Step 6: Final answer
    x = 63,918.45

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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.