Home / 155,458.40-233,187.60-143,535.20

Finding the Fourth Proportional to 155,458.40, 233,187.60 and 143,535.20

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Solution

The fourth proportional to 155,458.40, 233,187.60 and 143,535.20 is: 215,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.40 : 233,187.60 = 143,535.20 : x
  2. Step 2: Convert to fraction form
    155,458.40/233,187.60 = 143,535.20/x
  3. Step 3: Cross multiply
    155,458.40x = 233,187.60 × 143,535.20
  4. Step 4: Simplify right side
    155,458.40x = 33,470,628,803.52
  5. Step 5: Solve for x
    x = 33,470,628,803.52/155,458.40
  6. Step 6: Final answer
    x = 215,302.80

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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.