Home / 180,963.36-249,669.12-109,316.16

Finding the Fourth Proportional to 180,963.36, 249,669.12 and 109,316.16

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Solution

The fourth proportional to 180,963.36, 249,669.12 and 109,316.16 is: 150,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,963.36 : 249,669.12 = 109,316.16 : x
  2. Step 2: Convert to fraction form
    180,963.36/249,669.12 = 109,316.16/x
  3. Step 3: Cross multiply
    180,963.36x = 249,669.12 × 109,316.16
  4. Step 4: Simplify right side
    180,963.36x = 27,292,869,468.98
  5. Step 5: Solve for x
    x = 27,292,869,468.98/180,963.36
  6. Step 6: Final answer
    x = 150,819.86

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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.