Home / 132,919.69-183,440.09-75,577

Finding the Fourth Proportional to 132,919.69, 183,440.09 and 75,577

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Solution

The fourth proportional to 132,919.69, 183,440.09 and 75,577 is: 104,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,919.69 : 183,440.09 = 75,577 : x
  2. Step 2: Convert to fraction form
    132,919.69/183,440.09 = 75,577/x
  3. Step 3: Cross multiply
    132,919.69x = 183,440.09 × 75,577
  4. Step 4: Simplify right side
    132,919.69x = 13,863,851,681.93
  5. Step 5: Solve for x
    x = 13,863,851,681.93/132,919.69
  6. Step 6: Final answer
    x = 104,302.47

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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.