Home / 156,746.28-216,314.90-88,762.28

Finding the Fourth Proportional to 156,746.28, 216,314.90 and 88,762.28

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Solution

The fourth proportional to 156,746.28, 216,314.90 and 88,762.28 is: 122,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.28 : 216,314.90 = 88,762.28 : x
  2. Step 2: Convert to fraction form
    156,746.28/216,314.90 = 88,762.28/x
  3. Step 3: Cross multiply
    156,746.28x = 216,314.90 × 88,762.28
  4. Step 4: Simplify right side
    156,746.28x = 19,200,603,721.97
  5. Step 5: Solve for x
    x = 19,200,603,721.97/156,746.28
  6. Step 6: Final answer
    x = 122,494.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.