Home / 163,621.04-245,370.79-56,977.61

Finding the Fourth Proportional to 163,621.04, 245,370.79 and 56,977.61

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Solution

The fourth proportional to 163,621.04, 245,370.79 and 56,977.61 is: 85,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,621.04 : 245,370.79 = 56,977.61 : x
  2. Step 2: Convert to fraction form
    163,621.04/245,370.79 = 56,977.61/x
  3. Step 3: Cross multiply
    163,621.04x = 245,370.79 × 56,977.61
  4. Step 4: Simplify right side
    163,621.04x = 13,980,641,648.99
  5. Step 5: Solve for x
    x = 13,980,641,648.99/163,621.04
  6. Step 6: Final answer
    x = 85,445.26

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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.