Home / 142,755.67-197,216.12-93,813.04

Finding the Fourth Proportional to 142,755.67, 197,216.12 and 93,813.04

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Solution

The fourth proportional to 142,755.67, 197,216.12 and 93,813.04 is: 129,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,755.67 : 197,216.12 = 93,813.04 : x
  2. Step 2: Convert to fraction form
    142,755.67/197,216.12 = 93,813.04/x
  3. Step 3: Cross multiply
    142,755.67x = 197,216.12 × 93,813.04
  4. Step 4: Simplify right side
    142,755.67x = 18,501,442,299.06
  5. Step 5: Solve for x
    x = 18,501,442,299.06/142,755.67
  6. Step 6: Final answer
    x = 129,602.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.