Home / 134,031.64-201,130.55-77,898.18

Finding the Fourth Proportional to 134,031.64, 201,130.55 and 77,898.18

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Solution

The fourth proportional to 134,031.64, 201,130.55 and 77,898.18 is: 116,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,031.64 : 201,130.55 = 77,898.18 : x
  2. Step 2: Convert to fraction form
    134,031.64/201,130.55 = 77,898.18/x
  3. Step 3: Cross multiply
    134,031.64x = 201,130.55 × 77,898.18
  4. Step 4: Simplify right side
    134,031.64x = 15,667,703,787.40
  5. Step 5: Solve for x
    x = 15,667,703,787.40/134,031.64
  6. Step 6: Final answer
    x = 116,895.56

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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.