Home / 180,614.16-249,198.12-105,152.40

Finding the Fourth Proportional to 180,614.16, 249,198.12 and 105,152.40

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Solution

The fourth proportional to 180,614.16, 249,198.12 and 105,152.40 is: 145,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,614.16 : 249,198.12 = 105,152.40 : x
  2. Step 2: Convert to fraction form
    180,614.16/249,198.12 = 105,152.40/x
  3. Step 3: Cross multiply
    180,614.16x = 249,198.12 × 105,152.40
  4. Step 4: Simplify right side
    180,614.16x = 26,203,780,393.49
  5. Step 5: Solve for x
    x = 26,203,780,393.49/180,614.16
  6. Step 6: Final answer
    x = 145,081.54

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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.