Home / 158,156.40-237,128.92-87,112.23

Finding the Fourth Proportional to 158,156.40, 237,128.92 and 87,112.23

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Solution

The fourth proportional to 158,156.40, 237,128.92 and 87,112.23 is: 130,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,156.40 : 237,128.92 = 87,112.23 : x
  2. Step 2: Convert to fraction form
    158,156.40/237,128.92 = 87,112.23/x
  3. Step 3: Cross multiply
    158,156.40x = 237,128.92 × 87,112.23
  4. Step 4: Simplify right side
    158,156.40x = 20,656,829,912.45
  5. Step 5: Solve for x
    x = 20,656,829,912.45/158,156.40
  6. Step 6: Final answer
    x = 130,610.14

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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.