Home / 151,316.25-208,753.77-90,050.19

Finding the Fourth Proportional to 151,316.25, 208,753.77 and 90,050.19

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Solution

The fourth proportional to 151,316.25, 208,753.77 and 90,050.19 is: 124,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,316.25 : 208,753.77 = 90,050.19 : x
  2. Step 2: Convert to fraction form
    151,316.25/208,753.77 = 90,050.19/x
  3. Step 3: Cross multiply
    151,316.25x = 208,753.77 × 90,050.19
  4. Step 4: Simplify right side
    151,316.25x = 18,798,316,651.72
  5. Step 5: Solve for x
    x = 18,798,316,651.72/151,316.25
  6. Step 6: Final answer
    x = 124,231.98

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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.