Home / 180,820.65-249,528.69-100,247.52

Finding the Fourth Proportional to 180,820.65, 249,528.69 and 100,247.52

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Solution

The fourth proportional to 180,820.65, 249,528.69 and 100,247.52 is: 138,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,820.65 : 249,528.69 = 100,247.52 : x
  2. Step 2: Convert to fraction form
    180,820.65/249,528.69 = 100,247.52/x
  3. Step 3: Cross multiply
    180,820.65x = 249,528.69 × 100,247.52
  4. Step 4: Simplify right side
    180,820.65x = 25,014,632,341.35
  5. Step 5: Solve for x
    x = 25,014,632,341.35/180,820.65
  6. Step 6: Final answer
    x = 138,339.47

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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.