Home / 249,965.10-374,980.05-123,669.90

Finding the Fourth Proportional to 249,965.10, 374,980.05 and 123,669.90

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Solution

The fourth proportional to 249,965.10, 374,980.05 and 123,669.90 is: 185,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,965.10 : 374,980.05 = 123,669.90 : x
  2. Step 2: Convert to fraction form
    249,965.10/374,980.05 = 123,669.90/x
  3. Step 3: Cross multiply
    249,965.10x = 374,980.05 × 123,669.90
  4. Step 4: Simplify right side
    249,965.10x = 46,373,745,285.50
  5. Step 5: Solve for x
    x = 46,373,745,285.50/249,965.10
  6. Step 6: Final answer
    x = 185,520.88

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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.