Home / 122,457.02-183,641.65-43,555.52

Finding the Fourth Proportional to 122,457.02, 183,641.65 and 43,555.52

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Solution

The fourth proportional to 122,457.02, 183,641.65 and 43,555.52 is: 65,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,457.02 : 183,641.65 = 43,555.52 : x
  2. Step 2: Convert to fraction form
    122,457.02/183,641.65 = 43,555.52/x
  3. Step 3: Cross multiply
    122,457.02x = 183,641.65 × 43,555.52
  4. Step 4: Simplify right side
    122,457.02x = 7,998,607,909.62
  5. Step 5: Solve for x
    x = 7,998,607,909.62/122,457.02
  6. Step 6: Final answer
    x = 65,317.68

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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.