Home / 158,949.36-238,485.18-70,140.12

Finding the Fourth Proportional to 158,949.36, 238,485.18 and 70,140.12

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Solution

The fourth proportional to 158,949.36, 238,485.18 and 70,140.12 is: 105,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,949.36 : 238,485.18 = 70,140.12 : x
  2. Step 2: Convert to fraction form
    158,949.36/238,485.18 = 70,140.12/x
  3. Step 3: Cross multiply
    158,949.36x = 238,485.18 × 70,140.12
  4. Step 4: Simplify right side
    158,949.36x = 16,727,379,143.42
  5. Step 5: Solve for x
    x = 16,727,379,143.42/158,949.36
  6. Step 6: Final answer
    x = 105,237.16

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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.