Home / 162,635.04-243,748.44-87,752.16

Finding the Fourth Proportional to 162,635.04, 243,748.44 and 87,752.16

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Solution

The fourth proportional to 162,635.04, 243,748.44 and 87,752.16 is: 131,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,635.04 : 243,748.44 = 87,752.16 : x
  2. Step 2: Convert to fraction form
    162,635.04/243,748.44 = 87,752.16/x
  3. Step 3: Cross multiply
    162,635.04x = 243,748.44 × 87,752.16
  4. Step 4: Simplify right side
    162,635.04x = 21,389,452,106.63
  5. Step 5: Solve for x
    x = 21,389,452,106.63/162,635.04
  6. Step 6: Final answer
    x = 131,518.10

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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.