Home / 131,423.22-181,363.85-70,993.85

Finding the Fourth Proportional to 131,423.22, 181,363.85 and 70,993.85

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Solution

The fourth proportional to 131,423.22, 181,363.85 and 70,993.85 is: 97,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.22 : 181,363.85 = 70,993.85 : x
  2. Step 2: Convert to fraction form
    131,423.22/181,363.85 = 70,993.85/x
  3. Step 3: Cross multiply
    131,423.22x = 181,363.85 × 70,993.85
  4. Step 4: Simplify right side
    131,423.22x = 12,875,716,700.53
  5. Step 5: Solve for x
    x = 12,875,716,700.53/131,423.22
  6. Step 6: Final answer
    x = 97,971.40

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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.