Home / 164,430.30-246,645.45-89,780.70

Finding the Fourth Proportional to 164,430.30, 246,645.45 and 89,780.70

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Solution

The fourth proportional to 164,430.30, 246,645.45 and 89,780.70 is: 134,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,430.30 : 246,645.45 = 89,780.70 : x
  2. Step 2: Convert to fraction form
    164,430.30/246,645.45 = 89,780.70/x
  3. Step 3: Cross multiply
    164,430.30x = 246,645.45 × 89,780.70
  4. Step 4: Simplify right side
    164,430.30x = 22,144,001,152.82
  5. Step 5: Solve for x
    x = 22,144,001,152.82/164,430.30
  6. Step 6: Final answer
    x = 134,671.05

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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.