Home / 247,746.40-342,031.89-163,109.50

Finding the Fourth Proportional to 247,746.40, 342,031.89 and 163,109.50

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Solution

The fourth proportional to 247,746.40, 342,031.89 and 163,109.50 is: 225,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,746.40 : 342,031.89 = 163,109.50 : x
  2. Step 2: Convert to fraction form
    247,746.40/342,031.89 = 163,109.50/x
  3. Step 3: Cross multiply
    247,746.40x = 342,031.89 × 163,109.50
  4. Step 4: Simplify right side
    247,746.40x = 55,788,650,561.96
  5. Step 5: Solve for x
    x = 55,788,650,561.96/247,746.40
  6. Step 6: Final answer
    x = 225,184.51

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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.