Home / 180,632.12-249,274.32-100,060.88

Finding the Fourth Proportional to 180,632.12, 249,274.32 and 100,060.88

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Solution

The fourth proportional to 180,632.12, 249,274.32 and 100,060.88 is: 138,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,632.12 : 249,274.32 = 100,060.88 : x
  2. Step 2: Convert to fraction form
    180,632.12/249,274.32 = 100,060.88/x
  3. Step 3: Cross multiply
    180,632.12x = 249,274.32 × 100,060.88
  4. Step 4: Simplify right side
    180,632.12x = 24,942,607,820.60
  5. Step 5: Solve for x
    x = 24,942,607,820.60/180,632.12
  6. Step 6: Final answer
    x = 138,085.12

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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.