Home / 180,453.12-249,027.51-99,888.15

Finding the Fourth Proportional to 180,453.12, 249,027.51 and 99,888.15

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Solution

The fourth proportional to 180,453.12, 249,027.51 and 99,888.15 is: 137,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,453.12 : 249,027.51 = 99,888.15 : x
  2. Step 2: Convert to fraction form
    180,453.12/249,027.51 = 99,888.15/x
  3. Step 3: Cross multiply
    180,453.12x = 249,027.51 × 99,888.15
  4. Step 4: Simplify right side
    180,453.12x = 24,874,898,581.44
  5. Step 5: Solve for x
    x = 24,874,898,581.44/180,453.12
  6. Step 6: Final answer
    x = 137,846.88

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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.