Home / 180,739.55-249,420.58-100,179.18

Finding the Fourth Proportional to 180,739.55, 249,420.58 and 100,179.18

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Solution

The fourth proportional to 180,739.55, 249,420.58 and 100,179.18 is: 138,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,739.55 : 249,420.58 = 100,179.18 : x
  2. Step 2: Convert to fraction form
    180,739.55/249,420.58 = 100,179.18/x
  3. Step 3: Cross multiply
    180,739.55x = 249,420.58 × 100,179.18
  4. Step 4: Simplify right side
    180,739.55x = 24,986,748,929.08
  5. Step 5: Solve for x
    x = 24,986,748,929.08/180,739.55
  6. Step 6: Final answer
    x = 138,247.27

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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.