Home / 145,901.03-201,393.68-85,491.23

Finding the Fourth Proportional to 145,901.03, 201,393.68 and 85,491.23

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Solution

The fourth proportional to 145,901.03, 201,393.68 and 85,491.23 is: 118,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,901.03 : 201,393.68 = 85,491.23 : x
  2. Step 2: Convert to fraction form
    145,901.03/201,393.68 = 85,491.23/x
  3. Step 3: Cross multiply
    145,901.03x = 201,393.68 × 85,491.23
  4. Step 4: Simplify right side
    145,901.03x = 17,217,391,983.00
  5. Step 5: Solve for x
    x = 17,217,391,983.00/145,901.03
  6. Step 6: Final answer
    x = 118,007.34

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1.5x scale

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.