Home / 142,545.32-213,865.52-47,784.94

Finding the Fourth Proportional to 142,545.32, 213,865.52 and 47,784.94

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Solution

The fourth proportional to 142,545.32, 213,865.52 and 47,784.94 is: 71,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,545.32 : 213,865.52 = 47,784.94 : x
  2. Step 2: Convert to fraction form
    142,545.32/213,865.52 = 47,784.94/x
  3. Step 3: Cross multiply
    142,545.32x = 213,865.52 × 47,784.94
  4. Step 4: Simplify right side
    142,545.32x = 10,219,550,267.68
  5. Step 5: Solve for x
    x = 10,219,550,267.68/142,545.32
  6. Step 6: Final answer
    x = 71,693.34

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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.