Home / 228,052.08-342,084.96-78,290.16

Finding the Fourth Proportional to 228,052.08, 342,084.96 and 78,290.16

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Solution

The fourth proportional to 228,052.08, 342,084.96 and 78,290.16 is: 117,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,052.08 : 342,084.96 = 78,290.16 : x
  2. Step 2: Convert to fraction form
    228,052.08/342,084.96 = 78,290.16/x
  3. Step 3: Cross multiply
    228,052.08x = 342,084.96 × 78,290.16
  4. Step 4: Simplify right side
    228,052.08x = 26,781,886,251.99
  5. Step 5: Solve for x
    x = 26,781,886,251.99/228,052.08
  6. Step 6: Final answer
    x = 117,437.59

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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.