Home / 118,859.21-164,001.47-70,439.80

Finding the Fourth Proportional to 118,859.21, 164,001.47 and 70,439.80

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Solution

The fourth proportional to 118,859.21, 164,001.47 and 70,439.80 is: 97,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,859.21 : 164,001.47 = 70,439.80 : x
  2. Step 2: Convert to fraction form
    118,859.21/164,001.47 = 70,439.80/x
  3. Step 3: Cross multiply
    118,859.21x = 164,001.47 × 70,439.80
  4. Step 4: Simplify right side
    118,859.21x = 11,552,230,849.68
  5. Step 5: Solve for x
    x = 11,552,230,849.68/118,859.21
  6. Step 6: Final answer
    x = 97,192.56

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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.