Home / 102,319.10-141,181.60-56,995.95

Finding the Fourth Proportional to 102,319.10, 141,181.60 and 56,995.95

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Solution

The fourth proportional to 102,319.10, 141,181.60 and 56,995.95 is: 78,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,319.10 : 141,181.60 = 56,995.95 : x
  2. Step 2: Convert to fraction form
    102,319.10/141,181.60 = 56,995.95/x
  3. Step 3: Cross multiply
    102,319.10x = 141,181.60 × 56,995.95
  4. Step 4: Simplify right side
    102,319.10x = 8,046,779,908.33
  5. Step 5: Solve for x
    x = 8,046,779,908.33/102,319.10
  6. Step 6: Final answer
    x = 78,643.97

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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.