Home / 141,567.63-195,363.36-77,905.43

Finding the Fourth Proportional to 141,567.63, 195,363.36 and 77,905.43

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Solution

The fourth proportional to 141,567.63, 195,363.36 and 77,905.43 is: 107,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,567.63 : 195,363.36 = 77,905.43 : x
  2. Step 2: Convert to fraction form
    141,567.63/195,363.36 = 77,905.43/x
  3. Step 3: Cross multiply
    141,567.63x = 195,363.36 × 77,905.43
  4. Step 4: Simplify right side
    141,567.63x = 15,219,866,614.99
  5. Step 5: Solve for x
    x = 15,219,866,614.99/141,567.63
  6. Step 6: Final answer
    x = 107,509.51

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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.