Home / 134,386.49-201,608.90-40,889.81

Finding the Fourth Proportional to 134,386.49, 201,608.90 and 40,889.81

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Solution

The fourth proportional to 134,386.49, 201,608.90 and 40,889.81 is: 61,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,386.49 : 201,608.90 = 40,889.81 : x
  2. Step 2: Convert to fraction form
    134,386.49/201,608.90 = 40,889.81/x
  3. Step 3: Cross multiply
    134,386.49x = 201,608.90 × 40,889.81
  4. Step 4: Simplify right side
    134,386.49x = 8,243,750,068.22
  5. Step 5: Solve for x
    x = 8,243,750,068.22/134,386.49
  6. Step 6: Final answer
    x = 61,343.59

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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.