Home / 121,588.85-182,346.21-42,684.32

Finding the Fourth Proportional to 121,588.85, 182,346.21 and 42,684.32

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Solution

The fourth proportional to 121,588.85, 182,346.21 and 42,684.32 is: 64,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,588.85 : 182,346.21 = 42,684.32 : x
  2. Step 2: Convert to fraction form
    121,588.85/182,346.21 = 42,684.32/x
  3. Step 3: Cross multiply
    121,588.85x = 182,346.21 × 42,684.32
  4. Step 4: Simplify right side
    121,588.85x = 7,783,323,066.70
  5. Step 5: Solve for x
    x = 7,783,323,066.70/121,588.85
  6. Step 6: Final answer
    x = 64,013.46

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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.