Home / 249,581.69-374,721.11-128,087.24

Finding the Fourth Proportional to 249,581.69, 374,721.11 and 128,087.24

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Solution

The fourth proportional to 249,581.69, 374,721.11 and 128,087.24 is: 192,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,581.69 : 374,721.11 = 128,087.24 : x
  2. Step 2: Convert to fraction form
    249,581.69/374,721.11 = 128,087.24/x
  3. Step 3: Cross multiply
    249,581.69x = 374,721.11 × 128,087.24
  4. Step 4: Simplify right side
    249,581.69x = 47,996,991,603.12
  5. Step 5: Solve for x
    x = 47,996,991,603.12/249,581.69
  6. Step 6: Final answer
    x = 192,309.74

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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.