Home / 112,756.98-155,565.98-64,324.10

Finding the Fourth Proportional to 112,756.98, 155,565.98 and 64,324.10

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Solution

The fourth proportional to 112,756.98, 155,565.98 and 64,324.10 is: 88,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,756.98 : 155,565.98 = 64,324.10 : x
  2. Step 2: Convert to fraction form
    112,756.98/155,565.98 = 64,324.10/x
  3. Step 3: Cross multiply
    112,756.98x = 155,565.98 × 64,324.10
  4. Step 4: Simplify right side
    112,756.98x = 10,006,641,654.12
  5. Step 5: Solve for x
    x = 10,006,641,654.12/112,756.98
  6. Step 6: Final answer
    x = 88,745.21

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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.