Home / 180,813.14-249,528.02-100,248.15

Finding the Fourth Proportional to 180,813.14, 249,528.02 and 100,248.15

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Solution

The fourth proportional to 180,813.14, 249,528.02 and 100,248.15 is: 138,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,813.14 : 249,528.02 = 100,248.15 : x
  2. Step 2: Convert to fraction form
    180,813.14/249,528.02 = 100,248.15/x
  3. Step 3: Cross multiply
    180,813.14x = 249,528.02 × 100,248.15
  4. Step 4: Simplify right side
    180,813.14x = 25,014,722,378.16
  5. Step 5: Solve for x
    x = 25,014,722,378.16/180,813.14
  6. Step 6: Final answer
    x = 138,345.71

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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.