Home / 134,338.17-201,434.29-66,721.87

Finding the Fourth Proportional to 134,338.17, 201,434.29 and 66,721.87

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Solution

The fourth proportional to 134,338.17, 201,434.29 and 66,721.87 is: 100,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,338.17 : 201,434.29 = 66,721.87 : x
  2. Step 2: Convert to fraction form
    134,338.17/201,434.29 = 66,721.87/x
  3. Step 3: Cross multiply
    134,338.17x = 201,434.29 × 66,721.87
  4. Step 4: Simplify right side
    134,338.17x = 13,440,072,510.92
  5. Step 5: Solve for x
    x = 13,440,072,510.92/134,338.17
  6. Step 6: Final answer
    x = 100,046.57

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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.