Home / 162,130.60-243,390.30-91,109.80

Finding the Fourth Proportional to 162,130.60, 243,390.30 and 91,109.80

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Solution

The fourth proportional to 162,130.60, 243,390.30 and 91,109.80 is: 136,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,130.60 : 243,390.30 = 91,109.80 : x
  2. Step 2: Convert to fraction form
    162,130.60/243,390.30 = 91,109.80/x
  3. Step 3: Cross multiply
    162,130.60x = 243,390.30 × 91,109.80
  4. Step 4: Simplify right side
    162,130.60x = 22,175,241,554.94
  5. Step 5: Solve for x
    x = 22,175,241,554.94/162,130.60
  6. Step 6: Final answer
    x = 136,773.94

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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.