Home / 120,058.40-179,977.52-46,130.72

Finding the Fourth Proportional to 120,058.40, 179,977.52 and 46,130.72

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Solution

The fourth proportional to 120,058.40, 179,977.52 and 46,130.72 is: 69,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,058.40 : 179,977.52 = 46,130.72 : x
  2. Step 2: Convert to fraction form
    120,058.40/179,977.52 = 46,130.72/x
  3. Step 3: Cross multiply
    120,058.40x = 179,977.52 × 46,130.72
  4. Step 4: Simplify right side
    120,058.40x = 8,302,492,581.41
  5. Step 5: Solve for x
    x = 8,302,492,581.41/120,058.40
  6. Step 6: Final answer
    x = 69,153.78

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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.