Home / 129,764.40-194,646.60-124,580.40

Finding the Fourth Proportional to 129,764.40, 194,646.60 and 124,580.40

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Solution

The fourth proportional to 129,764.40, 194,646.60 and 124,580.40 is: 186,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,764.40 : 194,646.60 = 124,580.40 : x
  2. Step 2: Convert to fraction form
    129,764.40/194,646.60 = 124,580.40/x
  3. Step 3: Cross multiply
    129,764.40x = 194,646.60 × 124,580.40
  4. Step 4: Simplify right side
    129,764.40x = 24,249,151,286.64
  5. Step 5: Solve for x
    x = 24,249,151,286.64/129,764.40
  6. Step 6: Final answer
    x = 186,870.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.