Home / 133,329.65-183,994.93-72,900.33

Finding the Fourth Proportional to 133,329.65, 183,994.93 and 72,900.33

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Solution

The fourth proportional to 133,329.65, 183,994.93 and 72,900.33 is: 100,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,329.65 : 183,994.93 = 72,900.33 : x
  2. Step 2: Convert to fraction form
    133,329.65/183,994.93 = 72,900.33/x
  3. Step 3: Cross multiply
    133,329.65x = 183,994.93 × 72,900.33
  4. Step 4: Simplify right side
    133,329.65x = 13,413,291,115.33
  5. Step 5: Solve for x
    x = 13,413,291,115.33/133,329.65
  6. Step 6: Final answer
    x = 100,602.46

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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.