Home / 115,845.50-173,782.02-40,950.20

Finding the Fourth Proportional to 115,845.50, 173,782.02 and 40,950.20

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Solution

The fourth proportional to 115,845.50, 173,782.02 and 40,950.20 is: 61,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,845.50 : 173,782.02 = 40,950.20 : x
  2. Step 2: Convert to fraction form
    115,845.50/173,782.02 = 40,950.20/x
  3. Step 3: Cross multiply
    115,845.50x = 173,782.02 × 40,950.20
  4. Step 4: Simplify right side
    115,845.50x = 7,116,408,475.40
  5. Step 5: Solve for x
    x = 7,116,408,475.40/115,845.50
  6. Step 6: Final answer
    x = 61,430.17

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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.