Home / 115,984.24-160,048.48-64,302.72

Finding the Fourth Proportional to 115,984.24, 160,048.48 and 64,302.72

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Solution

The fourth proportional to 115,984.24, 160,048.48 and 64,302.72 is: 88,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,984.24 : 160,048.48 = 64,302.72 : x
  2. Step 2: Convert to fraction form
    115,984.24/160,048.48 = 64,302.72/x
  3. Step 3: Cross multiply
    115,984.24x = 160,048.48 × 64,302.72
  4. Step 4: Simplify right side
    115,984.24x = 10,291,552,595.87
  5. Step 5: Solve for x
    x = 10,291,552,595.87/115,984.24
  6. Step 6: Final answer
    x = 88,732.34

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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.