Home / 91,495.57-126,256.59-51,207.38

Finding the Fourth Proportional to 91,495.57, 126,256.59 and 51,207.38

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Solution

The fourth proportional to 91,495.57, 126,256.59 and 51,207.38 is: 70,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,495.57 : 126,256.59 = 51,207.38 : x
  2. Step 2: Convert to fraction form
    91,495.57/126,256.59 = 51,207.38/x
  3. Step 3: Cross multiply
    91,495.57x = 126,256.59 × 51,207.38
  4. Step 4: Simplify right side
    91,495.57x = 6,465,268,925.60
  5. Step 5: Solve for x
    x = 6,465,268,925.60/91,495.57
  6. Step 6: Final answer
    x = 70,662.10

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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.