Home / 162,238.75-243,358.14-51,430.75

Finding the Fourth Proportional to 162,238.75, 243,358.14 and 51,430.75

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Solution

The fourth proportional to 162,238.75, 243,358.14 and 51,430.75 is: 77,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,238.75 : 243,358.14 = 51,430.75 : x
  2. Step 2: Convert to fraction form
    162,238.75/243,358.14 = 51,430.75/x
  3. Step 3: Cross multiply
    162,238.75x = 243,358.14 × 51,430.75
  4. Step 4: Simplify right side
    162,238.75x = 12,516,091,658.81
  5. Step 5: Solve for x
    x = 12,516,091,658.81/162,238.75
  6. Step 6: Final answer
    x = 77,146.13

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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.