Home / 165,784.02-228,781.95-90,332.52

Finding the Fourth Proportional to 165,784.02, 228,781.95 and 90,332.52

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Solution

The fourth proportional to 165,784.02, 228,781.95 and 90,332.52 is: 124,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,784.02 : 228,781.95 = 90,332.52 : x
  2. Step 2: Convert to fraction form
    165,784.02/228,781.95 = 90,332.52/x
  3. Step 3: Cross multiply
    165,784.02x = 228,781.95 × 90,332.52
  4. Step 4: Simplify right side
    165,784.02x = 20,666,448,909.09
  5. Step 5: Solve for x
    x = 20,666,448,909.09/165,784.02
  6. Step 6: Final answer
    x = 124,658.87

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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.