Home / 156,867.98-216,466.44-88,886.30

Finding the Fourth Proportional to 156,867.98, 216,466.44 and 88,886.30

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Solution

The fourth proportional to 156,867.98, 216,466.44 and 88,886.30 is: 122,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,867.98 : 216,466.44 = 88,886.30 : x
  2. Step 2: Convert to fraction form
    156,867.98/216,466.44 = 88,886.30/x
  3. Step 3: Cross multiply
    156,867.98x = 216,466.44 × 88,886.30
  4. Step 4: Simplify right side
    156,867.98x = 19,240,900,925.77
  5. Step 5: Solve for x
    x = 19,240,900,925.77/156,867.98
  6. Step 6: Final answer
    x = 122,656.65

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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.