Home / 115,213.80-172,715.40-97,558.14

Finding the Fourth Proportional to 115,213.80, 172,715.40 and 97,558.14

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Solution

The fourth proportional to 115,213.80, 172,715.40 and 97,558.14 is: 146,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,213.80 : 172,715.40 = 97,558.14 : x
  2. Step 2: Convert to fraction form
    115,213.80/172,715.40 = 97,558.14/x
  3. Step 3: Cross multiply
    115,213.80x = 172,715.40 × 97,558.14
  4. Step 4: Simplify right side
    115,213.80x = 16,849,793,173.36
  5. Step 5: Solve for x
    x = 16,849,793,173.36/115,213.80
  6. Step 6: Final answer
    x = 146,248.05

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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.