Home / 115,407.03-159,233.65-67,651.15

Finding the Fourth Proportional to 115,407.03, 159,233.65 and 67,651.15

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Solution

The fourth proportional to 115,407.03, 159,233.65 and 67,651.15 is: 93,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,407.03 : 159,233.65 = 67,651.15 : x
  2. Step 2: Convert to fraction form
    115,407.03/159,233.65 = 67,651.15/x
  3. Step 3: Cross multiply
    115,407.03x = 159,233.65 × 67,651.15
  4. Step 4: Simplify right side
    115,407.03x = 10,772,339,541.20
  5. Step 5: Solve for x
    x = 10,772,339,541.20/115,407.03
  6. Step 6: Final answer
    x = 93,342.14

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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.