Home / 156,985.20-235,477.80-63,442.80

Finding the Fourth Proportional to 156,985.20, 235,477.80 and 63,442.80

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Solution

The fourth proportional to 156,985.20, 235,477.80 and 63,442.80 is: 95,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.20 : 235,477.80 = 63,442.80 : x
  2. Step 2: Convert to fraction form
    156,985.20/235,477.80 = 63,442.80/x
  3. Step 3: Cross multiply
    156,985.20x = 235,477.80 × 63,442.80
  4. Step 4: Simplify right side
    156,985.20x = 14,939,370,969.84
  5. Step 5: Solve for x
    x = 14,939,370,969.84/156,985.20
  6. Step 6: Final answer
    x = 95,164.20

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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.