Home / 142,495.23-213,663.90-58,314.54

Finding the Fourth Proportional to 142,495.23, 213,663.90 and 58,314.54

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Solution

The fourth proportional to 142,495.23, 213,663.90 and 58,314.54 is: 87,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,495.23 : 213,663.90 = 58,314.54 : x
  2. Step 2: Convert to fraction form
    142,495.23/213,663.90 = 58,314.54/x
  3. Step 3: Cross multiply
    142,495.23x = 213,663.90 × 58,314.54
  4. Step 4: Simplify right side
    142,495.23x = 12,459,712,043.11
  5. Step 5: Solve for x
    x = 12,459,712,043.11/142,495.23
  6. Step 6: Final answer
    x = 87,439.50

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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.