Home / 133,094.48-183,710.28-79,417.04

Finding the Fourth Proportional to 133,094.48, 183,710.28 and 79,417.04

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Solution

The fourth proportional to 133,094.48, 183,710.28 and 79,417.04 is: 109,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.48 : 183,710.28 = 79,417.04 : x
  2. Step 2: Convert to fraction form
    133,094.48/183,710.28 = 79,417.04/x
  3. Step 3: Cross multiply
    133,094.48x = 183,710.28 × 79,417.04
  4. Step 4: Simplify right side
    133,094.48x = 14,589,726,655.17
  5. Step 5: Solve for x
    x = 14,589,726,655.17/133,094.48
  6. Step 6: Final answer
    x = 109,619.32

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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.