Home / 149,439.21-224,189.81-70,510.38

Finding the Fourth Proportional to 149,439.21, 224,189.81 and 70,510.38

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Solution

The fourth proportional to 149,439.21, 224,189.81 and 70,510.38 is: 105,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,439.21 : 224,189.81 = 70,510.38 : x
  2. Step 2: Convert to fraction form
    149,439.21/224,189.81 = 70,510.38/x
  3. Step 3: Cross multiply
    149,439.21x = 224,189.81 × 70,510.38
  4. Step 4: Simplify right side
    149,439.21x = 15,807,708,342.68
  5. Step 5: Solve for x
    x = 15,807,708,342.68/149,439.21
  6. Step 6: Final answer
    x = 105,780.19

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1.5x scale

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.