Home / 163,929.80-245,894.70-92,779.40

Finding the Fourth Proportional to 163,929.80, 245,894.70 and 92,779.40

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Solution

The fourth proportional to 163,929.80, 245,894.70 and 92,779.40 is: 139,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,929.80 : 245,894.70 = 92,779.40 : x
  2. Step 2: Convert to fraction form
    163,929.80/245,894.70 = 92,779.40/x
  3. Step 3: Cross multiply
    163,929.80x = 245,894.70 × 92,779.40
  4. Step 4: Simplify right side
    163,929.80x = 22,813,962,729.18
  5. Step 5: Solve for x
    x = 22,813,962,729.18/163,929.80
  6. Step 6: Final answer
    x = 139,169.10

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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.