Home / 249,679.13-374,440.93-83,428.25

Finding the Fourth Proportional to 249,679.13, 374,440.93 and 83,428.25

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Solution

The fourth proportional to 249,679.13, 374,440.93 and 83,428.25 is: 125,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,679.13 : 374,440.93 = 83,428.25 : x
  2. Step 2: Convert to fraction form
    249,679.13/374,440.93 = 83,428.25/x
  3. Step 3: Cross multiply
    249,679.13x = 374,440.93 × 83,428.25
  4. Step 4: Simplify right side
    249,679.13x = 31,238,951,518.27
  5. Step 5: Solve for x
    x = 31,238,951,518.27/249,679.13
  6. Step 6: Final answer
    x = 125,116.39

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1.5x scale

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.