Home / 115,004.61-158,706.34-64,016.24

Finding the Fourth Proportional to 115,004.61, 158,706.34 and 64,016.24

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Solution

The fourth proportional to 115,004.61, 158,706.34 and 64,016.24 is: 88,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.61 : 158,706.34 = 64,016.24 : x
  2. Step 2: Convert to fraction form
    115,004.61/158,706.34 = 64,016.24/x
  3. Step 3: Cross multiply
    115,004.61x = 158,706.34 × 64,016.24
  4. Step 4: Simplify right side
    115,004.61x = 10,159,782,197.39
  5. Step 5: Solve for x
    x = 10,159,782,197.39/115,004.61
  6. Step 6: Final answer
    x = 88,342.39

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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.