Home / 155,190.67-232,749.10-42,868.40

Finding the Fourth Proportional to 155,190.67, 232,749.10 and 42,868.40

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Solution

The fourth proportional to 155,190.67, 232,749.10 and 42,868.40 is: 64,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,190.67 : 232,749.10 = 42,868.40 : x
  2. Step 2: Convert to fraction form
    155,190.67/232,749.10 = 42,868.40/x
  3. Step 3: Cross multiply
    155,190.67x = 232,749.10 × 42,868.40
  4. Step 4: Simplify right side
    155,190.67x = 9,977,581,518.44
  5. Step 5: Solve for x
    x = 9,977,581,518.44/155,190.67
  6. Step 6: Final answer
    x = 64,292.41

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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.