Home / 92,569.02-127,649.69-79,184.58

Finding the Fourth Proportional to 92,569.02, 127,649.69 and 79,184.58

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Solution

The fourth proportional to 92,569.02, 127,649.69 and 79,184.58 is: 109,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.02 : 127,649.69 = 79,184.58 : x
  2. Step 2: Convert to fraction form
    92,569.02/127,649.69 = 79,184.58/x
  3. Step 3: Cross multiply
    92,569.02x = 127,649.69 × 79,184.58
  4. Step 4: Simplify right side
    92,569.02x = 10,107,886,055.61
  5. Step 5: Solve for x
    x = 10,107,886,055.61/92,569.02
  6. Step 6: Final answer
    x = 109,192.97

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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.