Home / 115,088.65-158,819.90-64,101.23

Finding the Fourth Proportional to 115,088.65, 158,819.90 and 64,101.23

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Solution

The fourth proportional to 115,088.65, 158,819.90 and 64,101.23 is: 88,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.65 : 158,819.90 = 64,101.23 : x
  2. Step 2: Convert to fraction form
    115,088.65/158,819.90 = 64,101.23/x
  3. Step 3: Cross multiply
    115,088.65x = 158,819.90 × 64,101.23
  4. Step 4: Simplify right side
    115,088.65x = 10,180,550,175.08
  5. Step 5: Solve for x
    x = 10,180,550,175.08/115,088.65
  6. Step 6: Final answer
    x = 88,458.33

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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.