Home / 180,725.56-249,411.26-100,151.40

Finding the Fourth Proportional to 180,725.56, 249,411.26 and 100,151.40

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Solution

The fourth proportional to 180,725.56, 249,411.26 and 100,151.40 is: 138,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,725.56 : 249,411.26 = 100,151.40 : x
  2. Step 2: Convert to fraction form
    180,725.56/249,411.26 = 100,151.40/x
  3. Step 3: Cross multiply
    180,725.56x = 249,411.26 × 100,151.40
  4. Step 4: Simplify right side
    180,725.56x = 24,978,886,864.76
  5. Step 5: Solve for x
    x = 24,978,886,864.76/180,725.56
  6. Step 6: Final answer
    x = 138,214.47

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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.