Home / 153,255.94-211,461.50-89,581.43

Finding the Fourth Proportional to 153,255.94, 211,461.50 and 89,581.43

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Solution

The fourth proportional to 153,255.94, 211,461.50 and 89,581.43 is: 123,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,255.94 : 211,461.50 = 89,581.43 : x
  2. Step 2: Convert to fraction form
    153,255.94/211,461.50 = 89,581.43/x
  3. Step 3: Cross multiply
    153,255.94x = 211,461.50 × 89,581.43
  4. Step 4: Simplify right side
    153,255.94x = 18,943,023,559.95
  5. Step 5: Solve for x
    x = 18,943,023,559.95/153,255.94
  6. Step 6: Final answer
    x = 123,603.85

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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.