Home / 178,343.36-246,118.40-100,812.76

Finding the Fourth Proportional to 178,343.36, 246,118.40 and 100,812.76

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Solution

The fourth proportional to 178,343.36, 246,118.40 and 100,812.76 is: 139,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,343.36 : 246,118.40 = 100,812.76 : x
  2. Step 2: Convert to fraction form
    178,343.36/246,118.40 = 100,812.76/x
  3. Step 3: Cross multiply
    178,343.36x = 246,118.40 × 100,812.76
  4. Step 4: Simplify right side
    178,343.36x = 24,811,875,190.78
  5. Step 5: Solve for x
    x = 24,811,875,190.78/178,343.36
  6. Step 6: Final answer
    x = 139,124.19

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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.