Home / 130,869.25-180,711.84-126,637.41

Finding the Fourth Proportional to 130,869.25, 180,711.84 and 126,637.41

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Solution

The fourth proportional to 130,869.25, 180,711.84 and 126,637.41 is: 174,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,869.25 : 180,711.84 = 126,637.41 : x
  2. Step 2: Convert to fraction form
    130,869.25/180,711.84 = 126,637.41/x
  3. Step 3: Cross multiply
    130,869.25x = 180,711.84 × 126,637.41
  4. Step 4: Simplify right side
    130,869.25x = 22,884,879,509.99
  5. Step 5: Solve for x
    x = 22,884,879,509.99/130,869.25
  6. Step 6: Final answer
    x = 174,868.27

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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.