Home / 134,569.10-201,610.65-78,363.20

Finding the Fourth Proportional to 134,569.10, 201,610.65 and 78,363.20

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Solution

The fourth proportional to 134,569.10, 201,610.65 and 78,363.20 is: 117,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569.10 : 201,610.65 = 78,363.20 : x
  2. Step 2: Convert to fraction form
    134,569.10/201,610.65 = 78,363.20/x
  3. Step 3: Cross multiply
    134,569.10x = 201,610.65 × 78,363.20
  4. Step 4: Simplify right side
    134,569.10x = 15,798,855,688.08
  5. Step 5: Solve for x
    x = 15,798,855,688.08/134,569.10
  6. Step 6: Final answer
    x = 117,403.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.