Home / 132,874.12-183,320.28-85,153.76

Finding the Fourth Proportional to 132,874.12, 183,320.28 and 85,153.76

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Solution

The fourth proportional to 132,874.12, 183,320.28 and 85,153.76 is: 117,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,874.12 : 183,320.28 = 85,153.76 : x
  2. Step 2: Convert to fraction form
    132,874.12/183,320.28 = 85,153.76/x
  3. Step 3: Cross multiply
    132,874.12x = 183,320.28 × 85,153.76
  4. Step 4: Simplify right side
    132,874.12x = 15,610,411,126.25
  5. Step 5: Solve for x
    x = 15,610,411,126.25/132,874.12
  6. Step 6: Final answer
    x = 117,482.71

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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.