Home / 180,720.42-249,400.62-109,086.45

Finding the Fourth Proportional to 180,720.42, 249,400.62 and 109,086.45

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Solution

The fourth proportional to 180,720.42, 249,400.62 and 109,086.45 is: 150,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,720.42 : 249,400.62 = 109,086.45 : x
  2. Step 2: Convert to fraction form
    180,720.42/249,400.62 = 109,086.45/x
  3. Step 3: Cross multiply
    180,720.42x = 249,400.62 × 109,086.45
  4. Step 4: Simplify right side
    180,720.42x = 27,206,228,263.60
  5. Step 5: Solve for x
    x = 27,206,228,263.60/180,720.42
  6. Step 6: Final answer
    x = 150,543.19

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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.