Home / 113,318.40-170,108.55-60,830.40

Finding the Fourth Proportional to 113,318.40, 170,108.55 and 60,830.40

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Solution

The fourth proportional to 113,318.40, 170,108.55 and 60,830.40 is: 91,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.40 : 170,108.55 = 60,830.40 : x
  2. Step 2: Convert to fraction form
    113,318.40/170,108.55 = 60,830.40/x
  3. Step 3: Cross multiply
    113,318.40x = 170,108.55 × 60,830.40
  4. Step 4: Simplify right side
    113,318.40x = 10,347,771,139.92
  5. Step 5: Solve for x
    x = 10,347,771,139.92/113,318.40
  6. Step 6: Final answer
    x = 91,315.90

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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.