Home / 115,106.44-158,810.34-64,795.72

Finding the Fourth Proportional to 115,106.44, 158,810.34 and 64,795.72

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Solution

The fourth proportional to 115,106.44, 158,810.34 and 64,795.72 is: 89,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,106.44 : 158,810.34 = 64,795.72 : x
  2. Step 2: Convert to fraction form
    115,106.44/158,810.34 = 64,795.72/x
  3. Step 3: Cross multiply
    115,106.44x = 158,810.34 × 64,795.72
  4. Step 4: Simplify right side
    115,106.44x = 10,290,230,323.74
  5. Step 5: Solve for x
    x = 10,290,230,323.74/115,106.44
  6. Step 6: Final answer
    x = 89,397.52

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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.