Home / 115,223.74-159,020.55-64,244.77

Finding the Fourth Proportional to 115,223.74, 159,020.55 and 64,244.77

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Solution

The fourth proportional to 115,223.74, 159,020.55 and 64,244.77 is: 88,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.74 : 159,020.55 = 64,244.77 : x
  2. Step 2: Convert to fraction form
    115,223.74/159,020.55 = 64,244.77/x
  3. Step 3: Cross multiply
    115,223.74x = 159,020.55 × 64,244.77
  4. Step 4: Simplify right side
    115,223.74x = 10,216,238,262.47
  5. Step 5: Solve for x
    x = 10,216,238,262.47/115,223.74
  6. Step 6: Final answer
    x = 88,664.35

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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.