Home / 180,526.31-249,134.09-99,953.82

Finding the Fourth Proportional to 180,526.31, 249,134.09 and 99,953.82

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Solution

The fourth proportional to 180,526.31, 249,134.09 and 99,953.82 is: 137,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,526.31 : 249,134.09 = 99,953.82 : x
  2. Step 2: Convert to fraction form
    180,526.31/249,134.09 = 99,953.82/x
  3. Step 3: Cross multiply
    180,526.31x = 249,134.09 × 99,953.82
  4. Step 4: Simplify right side
    180,526.31x = 24,901,903,487.95
  5. Step 5: Solve for x
    x = 24,901,903,487.95/180,526.31
  6. Step 6: Final answer
    x = 137,940.58

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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.