Home / 180,923.08-249,689.15-100,376.50

Finding the Fourth Proportional to 180,923.08, 249,689.15 and 100,376.50

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Solution

The fourth proportional to 180,923.08, 249,689.15 and 100,376.50 is: 138,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,923.08 : 249,689.15 = 100,376.50 : x
  2. Step 2: Convert to fraction form
    180,923.08/249,689.15 = 100,376.50/x
  3. Step 3: Cross multiply
    180,923.08x = 249,689.15 × 100,376.50
  4. Step 4: Simplify right side
    180,923.08x = 25,062,922,964.98
  5. Step 5: Solve for x
    x = 25,062,922,964.98/180,923.08
  6. Step 6: Final answer
    x = 138,528.06

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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.