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Finding the Fourth Proportional to 125,798, 173,601.78 and 69,210.32

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Solution

The fourth proportional to 125,798, 173,601.78 and 69,210.32 is: 95,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,798 : 173,601.78 = 69,210.32 : x
  2. Step 2: Convert to fraction form
    125,798/173,601.78 = 69,210.32/x
  3. Step 3: Cross multiply
    125,798x = 173,601.78 × 69,210.32
  4. Step 4: Simplify right side
    125,798x = 12,015,034,746.37
  5. Step 5: Solve for x
    x = 12,015,034,746.37/125,798
  6. Step 6: Final answer
    x = 95,510.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.