Home / 162,818.72-243,807.47-112,373.45

Finding the Fourth Proportional to 162,818.72, 243,807.47 and 112,373.45

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Solution

The fourth proportional to 162,818.72, 243,807.47 and 112,373.45 is: 168,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,818.72 : 243,807.47 = 112,373.45 : x
  2. Step 2: Convert to fraction form
    162,818.72/243,807.47 = 112,373.45/x
  3. Step 3: Cross multiply
    162,818.72x = 243,807.47 × 112,373.45
  4. Step 4: Simplify right side
    162,818.72x = 27,397,486,539.67
  5. Step 5: Solve for x
    x = 27,397,486,539.67/162,818.72
  6. Step 6: Final answer
    x = 168,269.88

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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.