Home / 249,985.94-374,901.66-72,506

Finding the Fourth Proportional to 249,985.94, 374,901.66 and 72,506

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Solution

The fourth proportional to 249,985.94, 374,901.66 and 72,506 is: 108,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,985.94 : 374,901.66 = 72,506 : x
  2. Step 2: Convert to fraction form
    249,985.94/374,901.66 = 72,506/x
  3. Step 3: Cross multiply
    249,985.94x = 374,901.66 × 72,506
  4. Step 4: Simplify right side
    249,985.94x = 27,182,619,759.96
  5. Step 5: Solve for x
    x = 27,182,619,759.96/249,985.94
  6. Step 6: Final answer
    x = 108,736.59

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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.