Home / 180,678.36-249,345.42-109,057.40

Finding the Fourth Proportional to 180,678.36, 249,345.42 and 109,057.40

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Solution

The fourth proportional to 180,678.36, 249,345.42 and 109,057.40 is: 150,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,678.36 : 249,345.42 = 109,057.40 : x
  2. Step 2: Convert to fraction form
    180,678.36/249,345.42 = 109,057.40/x
  3. Step 3: Cross multiply
    180,678.36x = 249,345.42 × 109,057.40
  4. Step 4: Simplify right side
    180,678.36x = 27,192,963,207.11
  5. Step 5: Solve for x
    x = 27,192,963,207.11/180,678.36
  6. Step 6: Final answer
    x = 150,504.82

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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.