Home / 180,777.60-249,485.08-100,208.52

Finding the Fourth Proportional to 180,777.60, 249,485.08 and 100,208.52

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Solution

The fourth proportional to 180,777.60, 249,485.08 and 100,208.52 is: 138,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,777.60 : 249,485.08 = 100,208.52 : x
  2. Step 2: Convert to fraction form
    180,777.60/249,485.08 = 100,208.52/x
  3. Step 3: Cross multiply
    180,777.60x = 249,485.08 × 100,208.52
  4. Step 4: Simplify right side
    180,777.60x = 25,000,530,628.88
  5. Step 5: Solve for x
    x = 25,000,530,628.88/180,777.60
  6. Step 6: Final answer
    x = 138,294.40

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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.