Home / 134,386.60-201,579.90-45,663.40

Finding the Fourth Proportional to 134,386.60, 201,579.90 and 45,663.40

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Solution

The fourth proportional to 134,386.60, 201,579.90 and 45,663.40 is: 68,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,386.60 : 201,579.90 = 45,663.40 : x
  2. Step 2: Convert to fraction form
    134,386.60/201,579.90 = 45,663.40/x
  3. Step 3: Cross multiply
    134,386.60x = 201,579.90 × 45,663.40
  4. Step 4: Simplify right side
    134,386.60x = 9,204,823,605.66
  5. Step 5: Solve for x
    x = 9,204,823,605.66/134,386.60
  6. Step 6: Final answer
    x = 68,495.10

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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.