Home / 163,688.04-245,535.12-51,365.70

Finding the Fourth Proportional to 163,688.04, 245,535.12 and 51,365.70

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Solution

The fourth proportional to 163,688.04, 245,535.12 and 51,365.70 is: 77,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,688.04 : 245,535.12 = 51,365.70 : x
  2. Step 2: Convert to fraction form
    163,688.04/245,535.12 = 51,365.70/x
  3. Step 3: Cross multiply
    163,688.04x = 245,535.12 × 51,365.70
  4. Step 4: Simplify right side
    163,688.04x = 12,612,083,313.38
  5. Step 5: Solve for x
    x = 12,612,083,313.38/163,688.04
  6. Step 6: Final answer
    x = 77,049.51

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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.