Home / 147,386.09-203,547.18-101,564.87

Finding the Fourth Proportional to 147,386.09, 203,547.18 and 101,564.87

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Solution

The fourth proportional to 147,386.09, 203,547.18 and 101,564.87 is: 140,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386.09 : 203,547.18 = 101,564.87 : x
  2. Step 2: Convert to fraction form
    147,386.09/203,547.18 = 101,564.87/x
  3. Step 3: Cross multiply
    147,386.09x = 203,547.18 × 101,564.87
  4. Step 4: Simplify right side
    147,386.09x = 20,673,241,857.83
  5. Step 5: Solve for x
    x = 20,673,241,857.83/147,386.09
  6. Step 6: Final answer
    x = 140,265.90

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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.