Home / 142,737.36-214,117.08-42,889.68

Finding the Fourth Proportional to 142,737.36, 214,117.08 and 42,889.68

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Solution

The fourth proportional to 142,737.36, 214,117.08 and 42,889.68 is: 64,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,737.36 : 214,117.08 = 42,889.68 : x
  2. Step 2: Convert to fraction form
    142,737.36/214,117.08 = 42,889.68/x
  3. Step 3: Cross multiply
    142,737.36x = 214,117.08 × 42,889.68
  4. Step 4: Simplify right side
    142,737.36x = 9,183,413,043.73
  5. Step 5: Solve for x
    x = 9,183,413,043.73/142,737.36
  6. Step 6: Final answer
    x = 64,337.84

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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.