Home / 90,742.48-125,204.04-53,022.16

Finding the Fourth Proportional to 90,742.48, 125,204.04 and 53,022.16

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Solution

The fourth proportional to 90,742.48, 125,204.04 and 53,022.16 is: 73,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742.48 : 125,204.04 = 53,022.16 : x
  2. Step 2: Convert to fraction form
    90,742.48/125,204.04 = 53,022.16/x
  3. Step 3: Cross multiply
    90,742.48x = 125,204.04 × 53,022.16
  4. Step 4: Simplify right side
    90,742.48x = 6,638,588,641.53
  5. Step 5: Solve for x
    x = 6,638,588,641.53/90,742.48
  6. Step 6: Final answer
    x = 73,158.55

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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.