Home / 153,831.40-230,747.10-133,095.40

Finding the Fourth Proportional to 153,831.40, 230,747.10 and 133,095.40

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Solution

The fourth proportional to 153,831.40, 230,747.10 and 133,095.40 is: 199,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,831.40 : 230,747.10 = 133,095.40 : x
  2. Step 2: Convert to fraction form
    153,831.40/230,747.10 = 133,095.40/x
  3. Step 3: Cross multiply
    153,831.40x = 230,747.10 × 133,095.40
  4. Step 4: Simplify right side
    153,831.40x = 30,711,377,573.34
  5. Step 5: Solve for x
    x = 30,711,377,573.34/153,831.40
  6. Step 6: Final answer
    x = 199,643.10

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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.