Home / 145,884.42-201,378.48-125,385.34

Finding the Fourth Proportional to 145,884.42, 201,378.48 and 125,385.34

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Solution

The fourth proportional to 145,884.42, 201,378.48 and 125,385.34 is: 173,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,884.42 : 201,378.48 = 125,385.34 : x
  2. Step 2: Convert to fraction form
    145,884.42/201,378.48 = 125,385.34/x
  3. Step 3: Cross multiply
    145,884.42x = 201,378.48 × 125,385.34
  4. Step 4: Simplify right side
    145,884.42x = 25,249,909,183.48
  5. Step 5: Solve for x
    x = 25,249,909,183.48/145,884.42
  6. Step 6: Final answer
    x = 173,081.60

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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.