Home / 162,002.40-243,003.60-56,807.70

Finding the Fourth Proportional to 162,002.40, 243,003.60 and 56,807.70

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Solution

The fourth proportional to 162,002.40, 243,003.60 and 56,807.70 is: 85,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,002.40 : 243,003.60 = 56,807.70 : x
  2. Step 2: Convert to fraction form
    162,002.40/243,003.60 = 56,807.70/x
  3. Step 3: Cross multiply
    162,002.40x = 243,003.60 × 56,807.70
  4. Step 4: Simplify right side
    162,002.40x = 13,804,475,607.72
  5. Step 5: Solve for x
    x = 13,804,475,607.72/162,002.40
  6. Step 6: Final answer
    x = 85,211.55

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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.