Home / 156,077.20-234,029.40-62,477.20

Finding the Fourth Proportional to 156,077.20, 234,029.40 and 62,477.20

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Solution

The fourth proportional to 156,077.20, 234,029.40 and 62,477.20 is: 93,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,077.20 : 234,029.40 = 62,477.20 : x
  2. Step 2: Convert to fraction form
    156,077.20/234,029.40 = 62,477.20/x
  3. Step 3: Cross multiply
    156,077.20x = 234,029.40 × 62,477.20
  4. Step 4: Simplify right side
    156,077.20x = 14,621,501,629.68
  5. Step 5: Solve for x
    x = 14,621,501,629.68/156,077.20
  6. Step 6: Final answer
    x = 93,681.21

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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.