Home / 112,850.59-155,732.73-61,866.13

Finding the Fourth Proportional to 112,850.59, 155,732.73 and 61,866.13

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Solution

The fourth proportional to 112,850.59, 155,732.73 and 61,866.13 is: 85,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.59 : 155,732.73 = 61,866.13 : x
  2. Step 2: Convert to fraction form
    112,850.59/155,732.73 = 61,866.13/x
  3. Step 3: Cross multiply
    112,850.59x = 155,732.73 × 61,866.13
  4. Step 4: Simplify right side
    112,850.59x = 9,634,581,319.43
  5. Step 5: Solve for x
    x = 9,634,581,319.43/112,850.59
  6. Step 6: Final answer
    x = 85,374.67

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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.