Home / 156,948.40-235,336.20-51,713.20

Finding the Fourth Proportional to 156,948.40, 235,336.20 and 51,713.20

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Solution

The fourth proportional to 156,948.40, 235,336.20 and 51,713.20 is: 77,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.40 : 235,336.20 = 51,713.20 : x
  2. Step 2: Convert to fraction form
    156,948.40/235,336.20 = 51,713.20/x
  3. Step 3: Cross multiply
    156,948.40x = 235,336.20 × 51,713.20
  4. Step 4: Simplify right side
    156,948.40x = 12,169,987,977.84
  5. Step 5: Solve for x
    x = 12,169,987,977.84/156,948.40
  6. Step 6: Final answer
    x = 77,541.33

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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.