Home / 131,389.94-181,318.12-70,960.60

Finding the Fourth Proportional to 131,389.94, 181,318.12 and 70,960.60

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Solution

The fourth proportional to 131,389.94, 181,318.12 and 70,960.60 is: 97,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,389.94 : 181,318.12 = 70,960.60 : x
  2. Step 2: Convert to fraction form
    131,389.94/181,318.12 = 70,960.60/x
  3. Step 3: Cross multiply
    131,389.94x = 181,318.12 × 70,960.60
  4. Step 4: Simplify right side
    131,389.94x = 12,866,442,586.07
  5. Step 5: Solve for x
    x = 12,866,442,586.07/131,389.94
  6. Step 6: Final answer
    x = 97,925.63

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1.5x scale

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.