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Finding the Fourth Proportional to 162,417.56, 243,640.00 and 59,862.75

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Solution

The fourth proportional to 162,417.56, 243,640.00 and 59,862.75 is: 89,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,417.56 : 243,640.00 = 59,862.75 : x
  2. Step 2: Convert to fraction form
    162,417.56/243,640.00 = 59,862.75/x
  3. Step 3: Cross multiply
    162,417.56x = 243,640.00 × 59,862.75
  4. Step 4: Simplify right side
    162,417.56x = 14,584,959,571.18
  5. Step 5: Solve for x
    x = 14,584,959,571.18/162,417.56
  6. Step 6: Final answer
    x = 89,799.16

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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.