Home / 144,005.40-216,008.10-97,003.80

Finding the Fourth Proportional to 144,005.40, 216,008.10 and 97,003.80

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Solution

The fourth proportional to 144,005.40, 216,008.10 and 97,003.80 is: 145,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.40 : 216,008.10 = 97,003.80 : x
  2. Step 2: Convert to fraction form
    144,005.40/216,008.10 = 97,003.80/x
  3. Step 3: Cross multiply
    144,005.40x = 216,008.10 × 97,003.80
  4. Step 4: Simplify right side
    144,005.40x = 20,953,606,530.78
  5. Step 5: Solve for x
    x = 20,953,606,530.78/144,005.40
  6. Step 6: Final answer
    x = 145,505.70

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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.