Home / 163,746.38-245,619.51-45,417.74

Finding the Fourth Proportional to 163,746.38, 245,619.51 and 45,417.74

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Solution

The fourth proportional to 163,746.38, 245,619.51 and 45,417.74 is: 68,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,746.38 : 245,619.51 = 45,417.74 : x
  2. Step 2: Convert to fraction form
    163,746.38/245,619.51 = 45,417.74/x
  3. Step 3: Cross multiply
    163,746.38x = 245,619.51 × 45,417.74
  4. Step 4: Simplify right side
    163,746.38x = 11,155,481,816.01
  5. Step 5: Solve for x
    x = 11,155,481,816.01/163,746.38
  6. Step 6: Final answer
    x = 68,126.59

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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.