Home / 130,723.84-180,417.60-73,369.28

Finding the Fourth Proportional to 130,723.84, 180,417.60 and 73,369.28

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Solution

The fourth proportional to 130,723.84, 180,417.60 and 73,369.28 is: 101,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,723.84 : 180,417.60 = 73,369.28 : x
  2. Step 2: Convert to fraction form
    130,723.84/180,417.60 = 73,369.28/x
  3. Step 3: Cross multiply
    130,723.84x = 180,417.60 × 73,369.28
  4. Step 4: Simplify right side
    130,723.84x = 13,237,109,411.33
  5. Step 5: Solve for x
    x = 13,237,109,411.33/130,723.84
  6. Step 6: Final answer
    x = 101,260.10

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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.