Home / 134,809.20-202,286.70-55,931.40

Finding the Fourth Proportional to 134,809.20, 202,286.70 and 55,931.40

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Solution

The fourth proportional to 134,809.20, 202,286.70 and 55,931.40 is: 83,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,809.20 : 202,286.70 = 55,931.40 : x
  2. Step 2: Convert to fraction form
    134,809.20/202,286.70 = 55,931.40/x
  3. Step 3: Cross multiply
    134,809.20x = 202,286.70 × 55,931.40
  4. Step 4: Simplify right side
    134,809.20x = 11,314,178,332.38
  5. Step 5: Solve for x
    x = 11,314,178,332.38/134,809.20
  6. Step 6: Final answer
    x = 83,927.35

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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.