Home / 115,948.90-160,026.39-64,965.07

Finding the Fourth Proportional to 115,948.90, 160,026.39 and 64,965.07

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Solution

The fourth proportional to 115,948.90, 160,026.39 and 64,965.07 is: 89,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,948.90 : 160,026.39 = 64,965.07 : x
  2. Step 2: Convert to fraction form
    115,948.90/160,026.39 = 64,965.07/x
  3. Step 3: Cross multiply
    115,948.90x = 160,026.39 × 64,965.07
  4. Step 4: Simplify right side
    115,948.90x = 10,396,125,628.20
  5. Step 5: Solve for x
    x = 10,396,125,628.20/115,948.90
  6. Step 6: Final answer
    x = 89,661.27

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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.