Home / 122,403.87-183,588.53-39,287.07

Finding the Fourth Proportional to 122,403.87, 183,588.53 and 39,287.07

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Solution

The fourth proportional to 122,403.87, 183,588.53 and 39,287.07 is: 58,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,403.87 : 183,588.53 = 39,287.07 : x
  2. Step 2: Convert to fraction form
    122,403.87/183,588.53 = 39,287.07/x
  3. Step 3: Cross multiply
    122,403.87x = 183,588.53 × 39,287.07
  4. Step 4: Simplify right side
    122,403.87x = 7,212,655,232.87
  5. Step 5: Solve for x
    x = 7,212,655,232.87/122,403.87
  6. Step 6: Final answer
    x = 58,925.06

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1.5x scale

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.