Home / 180,823.60-249,551.36-100,276.39

Finding the Fourth Proportional to 180,823.60, 249,551.36 and 100,276.39

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Solution

The fourth proportional to 180,823.60, 249,551.36 and 100,276.39 is: 138,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,823.60 : 249,551.36 = 100,276.39 : x
  2. Step 2: Convert to fraction form
    180,823.60/249,551.36 = 100,276.39/x
  3. Step 3: Cross multiply
    180,823.60x = 249,551.36 × 100,276.39
  4. Step 4: Simplify right side
    180,823.60x = 25,024,109,500.39
  5. Step 5: Solve for x
    x = 25,024,109,500.39/180,823.60
  6. Step 6: Final answer
    x = 138,389.62

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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.