Home / 163,653.95-245,403.36-57,000.71

Finding the Fourth Proportional to 163,653.95, 245,403.36 and 57,000.71

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Solution

The fourth proportional to 163,653.95, 245,403.36 and 57,000.71 is: 85,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,653.95 : 245,403.36 = 57,000.71 : x
  2. Step 2: Convert to fraction form
    163,653.95/245,403.36 = 57,000.71/x
  3. Step 3: Cross multiply
    163,653.95x = 245,403.36 × 57,000.71
  4. Step 4: Simplify right side
    163,653.95x = 13,988,164,529.37
  5. Step 5: Solve for x
    x = 13,988,164,529.37/163,653.95
  6. Step 6: Final answer
    x = 85,474.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.