Home / 180,685.36-249,355.08-109,064.40

Finding the Fourth Proportional to 180,685.36, 249,355.08 and 109,064.40

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Solution

The fourth proportional to 180,685.36, 249,355.08 and 109,064.40 is: 150,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,685.36 : 249,355.08 = 109,064.40 : x
  2. Step 2: Convert to fraction form
    180,685.36/249,355.08 = 109,064.40/x
  3. Step 3: Cross multiply
    180,685.36x = 249,355.08 × 109,064.40
  4. Step 4: Simplify right side
    180,685.36x = 27,195,762,187.15
  5. Step 5: Solve for x
    x = 27,195,762,187.15/180,685.36
  6. Step 6: Final answer
    x = 150,514.48

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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.