Home / 115,038.54-158,751.92-64,050.15

Finding the Fourth Proportional to 115,038.54, 158,751.92 and 64,050.15

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Solution

The fourth proportional to 115,038.54, 158,751.92 and 64,050.15 is: 88,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,038.54 : 158,751.92 = 64,050.15 : x
  2. Step 2: Convert to fraction form
    115,038.54/158,751.92 = 64,050.15/x
  3. Step 3: Cross multiply
    115,038.54x = 158,751.92 × 64,050.15
  4. Step 4: Simplify right side
    115,038.54x = 10,168,083,968.54
  5. Step 5: Solve for x
    x = 10,168,083,968.54/115,038.54
  6. Step 6: Final answer
    x = 88,388.50

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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.