Home / 162,305.30-243,246.98-66,130.25

Finding the Fourth Proportional to 162,305.30, 243,246.98 and 66,130.25

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Solution

The fourth proportional to 162,305.30, 243,246.98 and 66,130.25 is: 99,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,305.30 : 243,246.98 = 66,130.25 : x
  2. Step 2: Convert to fraction form
    162,305.30/243,246.98 = 66,130.25/x
  3. Step 3: Cross multiply
    162,305.30x = 243,246.98 × 66,130.25
  4. Step 4: Simplify right side
    162,305.30x = 16,085,982,548.24
  5. Step 5: Solve for x
    x = 16,085,982,548.24/162,305.30
  6. Step 6: Final answer
    x = 99,109.41

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1.5x scale

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.