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Finding the Fourth Proportional to 162,801.87, 224,543.04 and 142,623.72

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Solution

The fourth proportional to 162,801.87, 224,543.04 and 142,623.72 is: 196,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,801.87 : 224,543.04 = 142,623.72 : x
  2. Step 2: Convert to fraction form
    162,801.87/224,543.04 = 142,623.72/x
  3. Step 3: Cross multiply
    162,801.87x = 224,543.04 × 142,623.72
  4. Step 4: Simplify right side
    162,801.87x = 32,025,163,130.07
  5. Step 5: Solve for x
    x = 32,025,163,130.07/162,801.87
  6. Step 6: Final answer
    x = 196,712.50

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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.