Home / 129,941.18-179,318.85-70,325.18

Finding the Fourth Proportional to 129,941.18, 179,318.85 and 70,325.18

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Solution

The fourth proportional to 129,941.18, 179,318.85 and 70,325.18 is: 97,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,941.18 : 179,318.85 = 70,325.18 : x
  2. Step 2: Convert to fraction form
    129,941.18/179,318.85 = 70,325.18/x
  3. Step 3: Cross multiply
    129,941.18x = 179,318.85 × 70,325.18
  4. Step 4: Simplify right side
    129,941.18x = 12,610,630,403.64
  5. Step 5: Solve for x
    x = 12,610,630,403.64/129,941.18
  6. Step 6: Final answer
    x = 97,048.76

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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.