Home / 91,457.64-126,196.38-53,739.18

Finding the Fourth Proportional to 91,457.64, 126,196.38 and 53,739.18

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Solution

The fourth proportional to 91,457.64, 126,196.38 and 53,739.18 is: 74,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,457.64 : 126,196.38 = 53,739.18 : x
  2. Step 2: Convert to fraction form
    91,457.64/126,196.38 = 53,739.18/x
  3. Step 3: Cross multiply
    91,457.64x = 126,196.38 × 53,739.18
  4. Step 4: Simplify right side
    91,457.64x = 6,781,689,980.17
  5. Step 5: Solve for x
    x = 6,781,689,980.17/91,457.64
  6. Step 6: Final answer
    x = 74,151.16

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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.