Home / 90,304.48-124,618.81-49,468.28

Finding the Fourth Proportional to 90,304.48, 124,618.81 and 49,468.28

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Solution

The fourth proportional to 90,304.48, 124,618.81 and 49,468.28 is: 68,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.48 : 124,618.81 = 49,468.28 : x
  2. Step 2: Convert to fraction form
    90,304.48/124,618.81 = 49,468.28/x
  3. Step 3: Cross multiply
    90,304.48x = 124,618.81 × 49,468.28
  4. Step 4: Simplify right side
    90,304.48x = 6,164,678,186.35
  5. Step 5: Solve for x
    x = 6,164,678,186.35/90,304.48
  6. Step 6: Final answer
    x = 68,265.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.