Home / 180,632.06-249,272.21-100,064.80

Finding the Fourth Proportional to 180,632.06, 249,272.21 and 100,064.80

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Solution

The fourth proportional to 180,632.06, 249,272.21 and 100,064.80 is: 138,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,632.06 : 249,272.21 = 100,064.80 : x
  2. Step 2: Convert to fraction form
    180,632.06/249,272.21 = 100,064.80/x
  3. Step 3: Cross multiply
    180,632.06x = 249,272.21 × 100,064.80
  4. Step 4: Simplify right side
    180,632.06x = 24,943,373,839.21
  5. Step 5: Solve for x
    x = 24,943,373,839.21/180,632.06
  6. Step 6: Final answer
    x = 138,089.41

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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.