Home / 158,048.42-218,121.36-94,384.85

Finding the Fourth Proportional to 158,048.42, 218,121.36 and 94,384.85

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Solution

The fourth proportional to 158,048.42, 218,121.36 and 94,384.85 is: 130,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,048.42 : 218,121.36 = 94,384.85 : x
  2. Step 2: Convert to fraction form
    158,048.42/218,121.36 = 94,384.85/x
  3. Step 3: Cross multiply
    158,048.42x = 218,121.36 × 94,384.85
  4. Step 4: Simplify right side
    158,048.42x = 20,587,350,400.85
  5. Step 5: Solve for x
    x = 20,587,350,400.85/158,048.42
  6. Step 6: Final answer
    x = 130,259.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.