Home / 162,077.81-243,141.01-56,878.25

Finding the Fourth Proportional to 162,077.81, 243,141.01 and 56,878.25

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Solution

The fourth proportional to 162,077.81, 243,141.01 and 56,878.25 is: 85,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,077.81 : 243,141.01 = 56,878.25 : x
  2. Step 2: Convert to fraction form
    162,077.81/243,141.01 = 56,878.25/x
  3. Step 3: Cross multiply
    162,077.81x = 243,141.01 × 56,878.25
  4. Step 4: Simplify right side
    162,077.81x = 13,829,433,794.13
  5. Step 5: Solve for x
    x = 13,829,433,794.13/162,077.81
  6. Step 6: Final answer
    x = 85,325.90

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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.