Home / 112,750.79-155,594.12-61,764.53

Finding the Fourth Proportional to 112,750.79, 155,594.12 and 61,764.53

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Solution

The fourth proportional to 112,750.79, 155,594.12 and 61,764.53 is: 85,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.79 : 155,594.12 = 61,764.53 : x
  2. Step 2: Convert to fraction form
    112,750.79/155,594.12 = 61,764.53/x
  3. Step 3: Cross multiply
    112,750.79x = 155,594.12 × 61,764.53
  4. Step 4: Simplify right side
    112,750.79x = 9,610,196,605.77
  5. Step 5: Solve for x
    x = 9,610,196,605.77/112,750.79
  6. Step 6: Final answer
    x = 85,233.97

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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.