Home / 194,831.80-292,362.90-142,108.60

Finding the Fourth Proportional to 194,831.80, 292,362.90 and 142,108.60

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Solution

The fourth proportional to 194,831.80, 292,362.90 and 142,108.60 is: 213,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,831.80 : 292,362.90 = 142,108.60 : x
  2. Step 2: Convert to fraction form
    194,831.80/292,362.90 = 142,108.60/x
  3. Step 3: Cross multiply
    194,831.80x = 292,362.90 × 142,108.60
  4. Step 4: Simplify right side
    194,831.80x = 41,547,282,410.94
  5. Step 5: Solve for x
    x = 41,547,282,410.94/194,831.80
  6. Step 6: Final answer
    x = 213,246.93

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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.