Home / 112,283.36-154,950.72-61,982

Finding the Fourth Proportional to 112,283.36, 154,950.72 and 61,982

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Solution

The fourth proportional to 112,283.36, 154,950.72 and 61,982 is: 85,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.36 : 154,950.72 = 61,982 : x
  2. Step 2: Convert to fraction form
    112,283.36/154,950.72 = 61,982/x
  3. Step 3: Cross multiply
    112,283.36x = 154,950.72 × 61,982
  4. Step 4: Simplify right side
    112,283.36x = 9,604,155,527.04
  5. Step 5: Solve for x
    x = 9,604,155,527.04/112,283.36
  6. Step 6: Final answer
    x = 85,534.99

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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.