Home / 142,309.05-213,463.58-53,582.46

Finding the Fourth Proportional to 142,309.05, 213,463.58 and 53,582.46

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Solution

The fourth proportional to 142,309.05, 213,463.58 and 53,582.46 is: 80,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,309.05 : 213,463.58 = 53,582.46 : x
  2. Step 2: Convert to fraction form
    142,309.05/213,463.58 = 53,582.46/x
  3. Step 3: Cross multiply
    142,309.05x = 213,463.58 × 53,582.46
  4. Step 4: Simplify right side
    142,309.05x = 11,437,903,736.81
  5. Step 5: Solve for x
    x = 11,437,903,736.81/142,309.05
  6. Step 6: Final answer
    x = 80,373.69

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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.