Home / 145,365.45-200,608.67-88,015.26

Finding the Fourth Proportional to 145,365.45, 200,608.67 and 88,015.26

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Solution

The fourth proportional to 145,365.45, 200,608.67 and 88,015.26 is: 121,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,365.45 : 200,608.67 = 88,015.26 : x
  2. Step 2: Convert to fraction form
    145,365.45/200,608.67 = 88,015.26/x
  3. Step 3: Cross multiply
    145,365.45x = 200,608.67 × 88,015.26
  4. Step 4: Simplify right side
    145,365.45x = 17,656,623,808.23
  5. Step 5: Solve for x
    x = 17,656,623,808.23/145,365.45
  6. Step 6: Final answer
    x = 121,463.69

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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.