Home / 91,384.10-126,136.88-53,152.64

Finding the Fourth Proportional to 91,384.10, 126,136.88 and 53,152.64

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Solution

The fourth proportional to 91,384.10, 126,136.88 and 53,152.64 is: 73,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,384.10 : 126,136.88 = 53,152.64 : x
  2. Step 2: Convert to fraction form
    91,384.10/126,136.88 = 53,152.64/x
  3. Step 3: Cross multiply
    91,384.10x = 126,136.88 × 53,152.64
  4. Step 4: Simplify right side
    91,384.10x = 6,704,507,276.92
  5. Step 5: Solve for x
    x = 6,704,507,276.92/91,384.10
  6. Step 6: Final answer
    x = 73,366.24

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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.