Home / 130,822.55-180,537-73,474.28

Finding the Fourth Proportional to 130,822.55, 180,537 and 73,474.28

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Solution

The fourth proportional to 130,822.55, 180,537 and 73,474.28 is: 101,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822.55 : 180,537 = 73,474.28 : x
  2. Step 2: Convert to fraction form
    130,822.55/180,537 = 73,474.28/x
  3. Step 3: Cross multiply
    130,822.55x = 180,537 × 73,474.28
  4. Step 4: Simplify right side
    130,822.55x = 13,264,826,088.36
  5. Step 5: Solve for x
    x = 13,264,826,088.36/130,822.55
  6. Step 6: Final answer
    x = 101,395.56

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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.