Home / 180,387.84-249,035.40-108,786

Finding the Fourth Proportional to 180,387.84, 249,035.40 and 108,786

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Solution

The fourth proportional to 180,387.84, 249,035.40 and 108,786 is: 150,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,387.84 : 249,035.40 = 108,786 : x
  2. Step 2: Convert to fraction form
    180,387.84/249,035.40 = 108,786/x
  3. Step 3: Cross multiply
    180,387.84x = 249,035.40 × 108,786
  4. Step 4: Simplify right side
    180,387.84x = 27,091,565,024.40
  5. Step 5: Solve for x
    x = 27,091,565,024.40/180,387.84
  6. Step 6: Final answer
    x = 150,185.10

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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.