Home / 158,418.51-237,480.12-79,440.45

Finding the Fourth Proportional to 158,418.51, 237,480.12 and 79,440.45

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Solution

The fourth proportional to 158,418.51, 237,480.12 and 79,440.45 is: 119,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,418.51 : 237,480.12 = 79,440.45 : x
  2. Step 2: Convert to fraction form
    158,418.51/237,480.12 = 79,440.45/x
  3. Step 3: Cross multiply
    158,418.51x = 237,480.12 × 79,440.45
  4. Step 4: Simplify right side
    158,418.51x = 18,865,527,598.85
  5. Step 5: Solve for x
    x = 18,865,527,598.85/158,418.51
  6. Step 6: Final answer
    x = 119,086.64

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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.