Home / 149,531.40-223,859.70-99,667.80

Finding the Fourth Proportional to 149,531.40, 223,859.70 and 99,667.80

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Solution

The fourth proportional to 149,531.40, 223,859.70 and 99,667.80 is: 149,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,531.40 : 223,859.70 = 99,667.80 : x
  2. Step 2: Convert to fraction form
    149,531.40/223,859.70 = 99,667.80/x
  3. Step 3: Cross multiply
    149,531.40x = 223,859.70 × 99,667.80
  4. Step 4: Simplify right side
    149,531.40x = 22,311,603,807.66
  5. Step 5: Solve for x
    x = 22,311,603,807.66/149,531.40
  6. Step 6: Final answer
    x = 149,210.16

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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.