Home / 162,312.04-243,459.78-57,131.80

Finding the Fourth Proportional to 162,312.04, 243,459.78 and 57,131.80

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Solution

The fourth proportional to 162,312.04, 243,459.78 and 57,131.80 is: 85,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,312.04 : 243,459.78 = 57,131.80 : x
  2. Step 2: Convert to fraction form
    162,312.04/243,459.78 = 57,131.80/x
  3. Step 3: Cross multiply
    162,312.04x = 243,459.78 × 57,131.80
  4. Step 4: Simplify right side
    162,312.04x = 13,909,295,459.00
  5. Step 5: Solve for x
    x = 13,909,295,459.00/162,312.04
  6. Step 6: Final answer
    x = 85,694.79

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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.