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Finding the Fourth Proportional to 130,353, 179,887.14 and 70,737

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Solution

The fourth proportional to 130,353, 179,887.14 and 70,737 is: 97,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,353 : 179,887.14 = 70,737 : x
  2. Step 2: Convert to fraction form
    130,353/179,887.14 = 70,737/x
  3. Step 3: Cross multiply
    130,353x = 179,887.14 × 70,737
  4. Step 4: Simplify right side
    130,353x = 12,724,676,622.18
  5. Step 5: Solve for x
    x = 12,724,676,622.18/130,353
  6. Step 6: Final answer
    x = 97,617.06

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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.