Home / 180,703.54-249,359.61-100,126.36

Finding the Fourth Proportional to 180,703.54, 249,359.61 and 100,126.36

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Solution

The fourth proportional to 180,703.54, 249,359.61 and 100,126.36 is: 138,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,703.54 : 249,359.61 = 100,126.36 : x
  2. Step 2: Convert to fraction form
    180,703.54/249,359.61 = 100,126.36/x
  3. Step 3: Cross multiply
    180,703.54x = 249,359.61 × 100,126.36
  4. Step 4: Simplify right side
    180,703.54x = 24,967,470,080.32
  5. Step 5: Solve for x
    x = 24,967,470,080.32/180,703.54
  6. Step 6: Final answer
    x = 138,168.13

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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.