Home / 117,000.18-161,459.64-63,285.03

Finding the Fourth Proportional to 117,000.18, 161,459.64 and 63,285.03

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Solution

The fourth proportional to 117,000.18, 161,459.64 and 63,285.03 is: 87,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.18 : 161,459.64 = 63,285.03 : x
  2. Step 2: Convert to fraction form
    117,000.18/161,459.64 = 63,285.03/x
  3. Step 3: Cross multiply
    117,000.18x = 161,459.64 × 63,285.03
  4. Step 4: Simplify right side
    117,000.18x = 10,217,978,161.19
  5. Step 5: Solve for x
    x = 10,217,978,161.19/117,000.18
  6. Step 6: Final answer
    x = 87,333.01

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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.