Home / 115,529.40-173,294.10-77,475.60

Finding the Fourth Proportional to 115,529.40, 173,294.10 and 77,475.60

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Solution

The fourth proportional to 115,529.40, 173,294.10 and 77,475.60 is: 116,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.40 : 173,294.10 = 77,475.60 : x
  2. Step 2: Convert to fraction form
    115,529.40/173,294.10 = 77,475.60/x
  3. Step 3: Cross multiply
    115,529.40x = 173,294.10 × 77,475.60
  4. Step 4: Simplify right side
    115,529.40x = 13,426,064,373.96
  5. Step 5: Solve for x
    x = 13,426,064,373.96/115,529.40
  6. Step 6: Final answer
    x = 116,213.40

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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.