Home / 156,957.09-216,548.07-88,968.74

Finding the Fourth Proportional to 156,957.09, 216,548.07 and 88,968.74

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Solution

The fourth proportional to 156,957.09, 216,548.07 and 88,968.74 is: 122,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,957.09 : 216,548.07 = 88,968.74 : x
  2. Step 2: Convert to fraction form
    156,957.09/216,548.07 = 88,968.74/x
  3. Step 3: Cross multiply
    156,957.09x = 216,548.07 × 88,968.74
  4. Step 4: Simplify right side
    156,957.09x = 19,266,007,854.59
  5. Step 5: Solve for x
    x = 19,266,007,854.59/156,957.09
  6. Step 6: Final answer
    x = 122,746.97

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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.