Home / 145,677.29-201,034.62-85,259.45

Finding the Fourth Proportional to 145,677.29, 201,034.62 and 85,259.45

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Solution

The fourth proportional to 145,677.29, 201,034.62 and 85,259.45 is: 117,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,677.29 : 201,034.62 = 85,259.45 : x
  2. Step 2: Convert to fraction form
    145,677.29/201,034.62 = 85,259.45/x
  3. Step 3: Cross multiply
    145,677.29x = 201,034.62 × 85,259.45
  4. Step 4: Simplify right side
    145,677.29x = 17,140,100,126.99
  5. Step 5: Solve for x
    x = 17,140,100,126.99/145,677.29
  6. Step 6: Final answer
    x = 117,658.01

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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.