Home / 145,767.63-201,160.04-82,106.43

Finding the Fourth Proportional to 145,767.63, 201,160.04 and 82,106.43

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Solution

The fourth proportional to 145,767.63, 201,160.04 and 82,106.43 is: 113,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,767.63 : 201,160.04 = 82,106.43 : x
  2. Step 2: Convert to fraction form
    145,767.63/201,160.04 = 82,106.43/x
  3. Step 3: Cross multiply
    145,767.63x = 201,160.04 × 82,106.43
  4. Step 4: Simplify right side
    145,767.63x = 16,516,532,332.53
  5. Step 5: Solve for x
    x = 16,516,532,332.53/145,767.63
  6. Step 6: Final answer
    x = 113,307.27

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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.