Home / 130,530.02-180,135.09-73,941.39

Finding the Fourth Proportional to 130,530.02, 180,135.09 and 73,941.39

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Solution

The fourth proportional to 130,530.02, 180,135.09 and 73,941.39 is: 102,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,530.02 : 180,135.09 = 73,941.39 : x
  2. Step 2: Convert to fraction form
    130,530.02/180,135.09 = 73,941.39/x
  3. Step 3: Cross multiply
    130,530.02x = 180,135.09 × 73,941.39
  4. Step 4: Simplify right side
    130,530.02x = 13,319,438,942.38
  5. Step 5: Solve for x
    x = 13,319,438,942.38/130,530.02
  6. Step 6: Final answer
    x = 102,041.20

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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.