Home / 249,950.29-374,964.45-81,431.46

Finding the Fourth Proportional to 249,950.29, 374,964.45 and 81,431.46

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Solution

The fourth proportional to 249,950.29, 374,964.45 and 81,431.46 is: 122,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,950.29 : 374,964.45 = 81,431.46 : x
  2. Step 2: Convert to fraction form
    249,950.29/374,964.45 = 81,431.46/x
  3. Step 3: Cross multiply
    249,950.29x = 374,964.45 × 81,431.46
  4. Step 4: Simplify right side
    249,950.29x = 30,533,904,460.67
  5. Step 5: Solve for x
    x = 30,533,904,460.67/249,950.29
  6. Step 6: Final answer
    x = 122,159.91

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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.