Home / 115,307.03-159,063.19-93,820.76

Finding the Fourth Proportional to 115,307.03, 159,063.19 and 93,820.76

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Solution

The fourth proportional to 115,307.03, 159,063.19 and 93,820.76 is: 129,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,307.03 : 159,063.19 = 93,820.76 : x
  2. Step 2: Convert to fraction form
    115,307.03/159,063.19 = 93,820.76/x
  3. Step 3: Cross multiply
    115,307.03x = 159,063.19 × 93,820.76
  4. Step 4: Simplify right side
    115,307.03x = 14,923,429,536.93
  5. Step 5: Solve for x
    x = 14,923,429,536.93/115,307.03
  6. Step 6: Final answer
    x = 129,423.42

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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.