Home / 180,818.19-249,535.02-100,253.22

Finding the Fourth Proportional to 180,818.19, 249,535.02 and 100,253.22

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Solution

The fourth proportional to 180,818.19, 249,535.02 and 100,253.22 is: 138,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,818.19 : 249,535.02 = 100,253.22 : x
  2. Step 2: Convert to fraction form
    180,818.19/249,535.02 = 100,253.22/x
  3. Step 3: Cross multiply
    180,818.19x = 249,535.02 × 100,253.22
  4. Step 4: Simplify right side
    180,818.19x = 25,016,689,257.76
  5. Step 5: Solve for x
    x = 25,016,689,257.76/180,818.19
  6. Step 6: Final answer
    x = 138,352.72

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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.