Home / 142,529.58-213,824.91-52,572.60

Finding the Fourth Proportional to 142,529.58, 213,824.91 and 52,572.60

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Solution

The fourth proportional to 142,529.58, 213,824.91 and 52,572.60 is: 78,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,529.58 : 213,824.91 = 52,572.60 : x
  2. Step 2: Convert to fraction form
    142,529.58/213,824.91 = 52,572.60/x
  3. Step 3: Cross multiply
    142,529.58x = 213,824.91 × 52,572.60
  4. Step 4: Simplify right side
    142,529.58x = 11,241,331,463.47
  5. Step 5: Solve for x
    x = 11,241,331,463.47/142,529.58
  6. Step 6: Final answer
    x = 78,870.16

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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.