Home / 129,916.32-179,284.24-70,300.32

Finding the Fourth Proportional to 129,916.32, 179,284.24 and 70,300.32

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Solution

The fourth proportional to 129,916.32, 179,284.24 and 70,300.32 is: 97,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.32 : 179,284.24 = 70,300.32 : x
  2. Step 2: Convert to fraction form
    129,916.32/179,284.24 = 70,300.32/x
  3. Step 3: Cross multiply
    129,916.32x = 179,284.24 × 70,300.32
  4. Step 4: Simplify right side
    129,916.32x = 12,603,739,442.96
  5. Step 5: Solve for x
    x = 12,603,739,442.96/129,916.32
  6. Step 6: Final answer
    x = 97,014.29

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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.