Home / 143,905.67-215,931.40-97,060.13

Finding the Fourth Proportional to 143,905.67, 215,931.40 and 97,060.13

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Solution

The fourth proportional to 143,905.67, 215,931.40 and 97,060.13 is: 145,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,905.67 : 215,931.40 = 97,060.13 : x
  2. Step 2: Convert to fraction form
    143,905.67/215,931.40 = 97,060.13/x
  3. Step 3: Cross multiply
    143,905.67x = 215,931.40 × 97,060.13
  4. Step 4: Simplify right side
    143,905.67x = 20,958,329,755.08
  5. Step 5: Solve for x
    x = 20,958,329,755.08/143,905.67
  6. Step 6: Final answer
    x = 145,639.36

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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.