Home / 115,247.40-173,000.70-89,068.20

Finding the Fourth Proportional to 115,247.40, 173,000.70 and 89,068.20

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Solution

The fourth proportional to 115,247.40, 173,000.70 and 89,068.20 is: 133,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247.40 : 173,000.70 = 89,068.20 : x
  2. Step 2: Convert to fraction form
    115,247.40/173,000.70 = 89,068.20/x
  3. Step 3: Cross multiply
    115,247.40x = 173,000.70 × 89,068.20
  4. Step 4: Simplify right side
    115,247.40x = 15,408,860,947.74
  5. Step 5: Solve for x
    x = 15,408,860,947.74/115,247.40
  6. Step 6: Final answer
    x = 133,702.46

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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.