Home / 115,371.36-159,223.60-70,038.88

Finding the Fourth Proportional to 115,371.36, 159,223.60 and 70,038.88

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Solution

The fourth proportional to 115,371.36, 159,223.60 and 70,038.88 is: 96,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,371.36 : 159,223.60 = 70,038.88 : x
  2. Step 2: Convert to fraction form
    115,371.36/159,223.60 = 70,038.88/x
  3. Step 3: Cross multiply
    115,371.36x = 159,223.60 × 70,038.88
  4. Step 4: Simplify right side
    115,371.36x = 11,151,842,613.57
  5. Step 5: Solve for x
    x = 11,151,842,613.57/115,371.36
  6. Step 6: Final answer
    x = 96,660.41

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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.