Home / 142,394.20-213,575.10-37,223.80

Finding the Fourth Proportional to 142,394.20, 213,575.10 and 37,223.80

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Solution

The fourth proportional to 142,394.20, 213,575.10 and 37,223.80 is: 55,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.20 : 213,575.10 = 37,223.80 : x
  2. Step 2: Convert to fraction form
    142,394.20/213,575.10 = 37,223.80/x
  3. Step 3: Cross multiply
    142,394.20x = 213,575.10 × 37,223.80
  4. Step 4: Simplify right side
    142,394.20x = 7,950,076,807.38
  5. Step 5: Solve for x
    x = 7,950,076,807.38/142,394.20
  6. Step 6: Final answer
    x = 55,831.47

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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.