Home / 136,386.56-204,459.36-53,222.40

Finding the Fourth Proportional to 136,386.56, 204,459.36 and 53,222.40

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Solution

The fourth proportional to 136,386.56, 204,459.36 and 53,222.40 is: 79,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,386.56 : 204,459.36 = 53,222.40 : x
  2. Step 2: Convert to fraction form
    136,386.56/204,459.36 = 53,222.40/x
  3. Step 3: Cross multiply
    136,386.56x = 204,459.36 × 53,222.40
  4. Step 4: Simplify right side
    136,386.56x = 10,881,817,841.66
  5. Step 5: Solve for x
    x = 10,881,817,841.66/136,386.56
  6. Step 6: Final answer
    x = 79,786.58

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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.