Home / 180,849.02-249,574.64-100,279.94

Finding the Fourth Proportional to 180,849.02, 249,574.64 and 100,279.94

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Solution

The fourth proportional to 180,849.02, 249,574.64 and 100,279.94 is: 138,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.02 : 249,574.64 = 100,279.94 : x
  2. Step 2: Convert to fraction form
    180,849.02/249,574.64 = 100,279.94/x
  3. Step 3: Cross multiply
    180,849.02x = 249,574.64 × 100,279.94
  4. Step 4: Simplify right side
    180,849.02x = 25,027,328,175.45
  5. Step 5: Solve for x
    x = 25,027,328,175.45/180,849.02
  6. Step 6: Final answer
    x = 138,387.97

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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.