Home / 249,980.75-375,010.23-81,461.96

Finding the Fourth Proportional to 249,980.75, 375,010.23 and 81,461.96

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Solution

The fourth proportional to 249,980.75, 375,010.23 and 81,461.96 is: 122,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,980.75 : 375,010.23 = 81,461.96 : x
  2. Step 2: Convert to fraction form
    249,980.75/375,010.23 = 81,461.96/x
  3. Step 3: Cross multiply
    249,980.75x = 375,010.23 × 81,461.96
  4. Step 4: Simplify right side
    249,980.75x = 30,549,068,355.85
  5. Step 5: Solve for x
    x = 30,549,068,355.85/249,980.75
  6. Step 6: Final answer
    x = 122,205.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.