Home / 158,119.20-237,178.80-99,021.60

Finding the Fourth Proportional to 158,119.20, 237,178.80 and 99,021.60

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Solution

The fourth proportional to 158,119.20, 237,178.80 and 99,021.60 is: 148,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,119.20 : 237,178.80 = 99,021.60 : x
  2. Step 2: Convert to fraction form
    158,119.20/237,178.80 = 99,021.60/x
  3. Step 3: Cross multiply
    158,119.20x = 237,178.80 × 99,021.60
  4. Step 4: Simplify right side
    158,119.20x = 23,485,824,262.08
  5. Step 5: Solve for x
    x = 23,485,824,262.08/158,119.20
  6. Step 6: Final answer
    x = 148,532.40

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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.