Home / 118,985.05-164,154.09-75,966.15

Finding the Fourth Proportional to 118,985.05, 164,154.09 and 75,966.15

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Solution

The fourth proportional to 118,985.05, 164,154.09 and 75,966.15 is: 104,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.05 : 164,154.09 = 75,966.15 : x
  2. Step 2: Convert to fraction form
    118,985.05/164,154.09 = 75,966.15/x
  3. Step 3: Cross multiply
    118,985.05x = 164,154.09 × 75,966.15
  4. Step 4: Simplify right side
    118,985.05x = 12,470,154,224.05
  5. Step 5: Solve for x
    x = 12,470,154,224.05/118,985.05
  6. Step 6: Final answer
    x = 104,804.38

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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.