Home / 97,810.30-146,715.45-91,200.70

Finding the Fourth Proportional to 97,810.30, 146,715.45 and 91,200.70

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Solution

The fourth proportional to 97,810.30, 146,715.45 and 91,200.70 is: 136,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,810.30 : 146,715.45 = 91,200.70 : x
  2. Step 2: Convert to fraction form
    97,810.30/146,715.45 = 91,200.70/x
  3. Step 3: Cross multiply
    97,810.30x = 146,715.45 × 91,200.70
  4. Step 4: Simplify right side
    97,810.30x = 13,380,551,740.82
  5. Step 5: Solve for x
    x = 13,380,551,740.82/97,810.30
  6. Step 6: Final answer
    x = 136,801.05

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1.5x scale

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.