Home / 242,261.70-334,317.81-134,831.72

Finding the Fourth Proportional to 242,261.70, 334,317.81 and 134,831.72

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Solution

The fourth proportional to 242,261.70, 334,317.81 and 134,831.72 is: 186,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,261.70 : 334,317.81 = 134,831.72 : x
  2. Step 2: Convert to fraction form
    242,261.70/334,317.81 = 134,831.72/x
  3. Step 3: Cross multiply
    242,261.70x = 334,317.81 × 134,831.72
  4. Step 4: Simplify right side
    242,261.70x = 45,076,645,348.93
  5. Step 5: Solve for x
    x = 45,076,645,348.93/242,261.70
  6. Step 6: Final answer
    x = 186,065.92

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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.