Home / 153,831.32-212,383.32-117,952.40

Finding the Fourth Proportional to 153,831.32, 212,383.32 and 117,952.40

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Solution

The fourth proportional to 153,831.32, 212,383.32 and 117,952.40 is: 162,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,831.32 : 212,383.32 = 117,952.40 : x
  2. Step 2: Convert to fraction form
    153,831.32/212,383.32 = 117,952.40/x
  3. Step 3: Cross multiply
    153,831.32x = 212,383.32 × 117,952.40
  4. Step 4: Simplify right side
    153,831.32x = 25,051,122,313.97
  5. Step 5: Solve for x
    x = 25,051,122,313.97/153,831.32
  6. Step 6: Final answer
    x = 162,848.00

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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.