Home / 126,669.95-190,070.57-55,642.53

Finding the Fourth Proportional to 126,669.95, 190,070.57 and 55,642.53

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Solution

The fourth proportional to 126,669.95, 190,070.57 and 55,642.53 is: 83,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,669.95 : 190,070.57 = 55,642.53 : x
  2. Step 2: Convert to fraction form
    126,669.95/190,070.57 = 55,642.53/x
  3. Step 3: Cross multiply
    126,669.95x = 190,070.57 × 55,642.53
  4. Step 4: Simplify right side
    126,669.95x = 10,576,007,532.45
  5. Step 5: Solve for x
    x = 10,576,007,532.45/126,669.95
  6. Step 6: Final answer
    x = 83,492.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.