Home / 249,707.07-374,612.45-83,490.75

Finding the Fourth Proportional to 249,707.07, 374,612.45 and 83,490.75

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Solution

The fourth proportional to 249,707.07, 374,612.45 and 83,490.75 is: 125,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,707.07 : 374,612.45 = 83,490.75 : x
  2. Step 2: Convert to fraction form
    249,707.07/374,612.45 = 83,490.75/x
  3. Step 3: Cross multiply
    249,707.07x = 374,612.45 × 83,490.75
  4. Step 4: Simplify right side
    249,707.07x = 31,276,673,992.38
  5. Step 5: Solve for x
    x = 31,276,673,992.38/249,707.07
  6. Step 6: Final answer
    x = 125,253.46

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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.