Home / 145,252.30-200,466.89-81,590.08

Finding the Fourth Proportional to 145,252.30, 200,466.89 and 81,590.08

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Solution

The fourth proportional to 145,252.30, 200,466.89 and 81,590.08 is: 112,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.30 : 200,466.89 = 81,590.08 : x
  2. Step 2: Convert to fraction form
    145,252.30/200,466.89 = 81,590.08/x
  3. Step 3: Cross multiply
    145,252.30x = 200,466.89 × 81,590.08
  4. Step 4: Simplify right side
    145,252.30x = 16,356,109,592.45
  5. Step 5: Solve for x
    x = 16,356,109,592.45/145,252.30
  6. Step 6: Final answer
    x = 112,604.82

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1.5x scale

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.