Home / 142,457.08-213,606.74-58,276.38

Finding the Fourth Proportional to 142,457.08, 213,606.74 and 58,276.38

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Solution

The fourth proportional to 142,457.08, 213,606.74 and 58,276.38 is: 87,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,457.08 : 213,606.74 = 58,276.38 : x
  2. Step 2: Convert to fraction form
    142,457.08/213,606.74 = 58,276.38/x
  3. Step 3: Cross multiply
    142,457.08x = 213,606.74 × 58,276.38
  4. Step 4: Simplify right side
    142,457.08x = 12,448,227,550.80
  5. Step 5: Solve for x
    x = 12,448,227,550.80/142,457.08
  6. Step 6: Final answer
    x = 87,382.30

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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.