Home / 115,340.40-173,010.60-36,478.80

Finding the Fourth Proportional to 115,340.40, 173,010.60 and 36,478.80

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Solution

The fourth proportional to 115,340.40, 173,010.60 and 36,478.80 is: 54,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,340.40 : 173,010.60 = 36,478.80 : x
  2. Step 2: Convert to fraction form
    115,340.40/173,010.60 = 36,478.80/x
  3. Step 3: Cross multiply
    115,340.40x = 173,010.60 × 36,478.80
  4. Step 4: Simplify right side
    115,340.40x = 6,311,219,075.28
  5. Step 5: Solve for x
    x = 6,311,219,075.28/115,340.40
  6. Step 6: Final answer
    x = 54,718.20

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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.