Home / 158,128.23-237,143.52-83,207.67

Finding the Fourth Proportional to 158,128.23, 237,143.52 and 83,207.67

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Solution

The fourth proportional to 158,128.23, 237,143.52 and 83,207.67 is: 124,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,128.23 : 237,143.52 = 83,207.67 : x
  2. Step 2: Convert to fraction form
    158,128.23/237,143.52 = 83,207.67/x
  3. Step 3: Cross multiply
    158,128.23x = 237,143.52 × 83,207.67
  4. Step 4: Simplify right side
    158,128.23x = 19,732,159,754.80
  5. Step 5: Solve for x
    x = 19,732,159,754.80/158,128.23
  6. Step 6: Final answer
    x = 124,785.81

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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.