Home / 149,875.81-224,924.43-70,990.03

Finding the Fourth Proportional to 149,875.81, 224,924.43 and 70,990.03

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Solution

The fourth proportional to 149,875.81, 224,924.43 and 70,990.03 is: 106,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,875.81 : 224,924.43 = 70,990.03 : x
  2. Step 2: Convert to fraction form
    149,875.81/224,924.43 = 70,990.03/x
  3. Step 3: Cross multiply
    149,875.81x = 224,924.43 × 70,990.03
  4. Step 4: Simplify right side
    149,875.81x = 15,967,392,580.80
  5. Step 5: Solve for x
    x = 15,967,392,580.80/149,875.81
  6. Step 6: Final answer
    x = 106,537.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.