Home / 110,087.84-164,385.64-86,448.80

Finding the Fourth Proportional to 110,087.84, 164,385.64 and 86,448.80

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Solution

The fourth proportional to 110,087.84, 164,385.64 and 86,448.80 is: 129,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,087.84 : 164,385.64 = 86,448.80 : x
  2. Step 2: Convert to fraction form
    110,087.84/164,385.64 = 86,448.80/x
  3. Step 3: Cross multiply
    110,087.84x = 164,385.64 × 86,448.80
  4. Step 4: Simplify right side
    110,087.84x = 14,210,941,315.23
  5. Step 5: Solve for x
    x = 14,210,941,315.23/110,087.84
  6. Step 6: Final answer
    x = 129,087.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.