Home / 115,472.36-159,363.51-70,154.89

Finding the Fourth Proportional to 115,472.36, 159,363.51 and 70,154.89

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Solution

The fourth proportional to 115,472.36, 159,363.51 and 70,154.89 is: 96,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,472.36 : 159,363.51 = 70,154.89 : x
  2. Step 2: Convert to fraction form
    115,472.36/159,363.51 = 70,154.89/x
  3. Step 3: Cross multiply
    115,472.36x = 159,363.51 × 70,154.89
  4. Step 4: Simplify right side
    115,472.36x = 11,180,129,514.06
  5. Step 5: Solve for x
    x = 11,180,129,514.06/115,472.36
  6. Step 6: Final answer
    x = 96,820.83

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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.