Home / 104,095.23-143,720.79-70,154.19

Finding the Fourth Proportional to 104,095.23, 143,720.79 and 70,154.19

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Solution

The fourth proportional to 104,095.23, 143,720.79 and 70,154.19 is: 96,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.23 : 143,720.79 = 70,154.19 : x
  2. Step 2: Convert to fraction form
    104,095.23/143,720.79 = 70,154.19/x
  3. Step 3: Cross multiply
    104,095.23x = 143,720.79 × 70,154.19
  4. Step 4: Simplify right side
    104,095.23x = 10,082,615,608.61
  5. Step 5: Solve for x
    x = 10,082,615,608.61/104,095.23
  6. Step 6: Final answer
    x = 96,859.54

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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.