Home / 165,587.04-228,510.24-90,135.68

Finding the Fourth Proportional to 165,587.04, 228,510.24 and 90,135.68

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Solution

The fourth proportional to 165,587.04, 228,510.24 and 90,135.68 is: 124,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,587.04 : 228,510.24 = 90,135.68 : x
  2. Step 2: Convert to fraction form
    165,587.04/228,510.24 = 90,135.68/x
  3. Step 3: Cross multiply
    165,587.04x = 228,510.24 × 90,135.68
  4. Step 4: Simplify right side
    165,587.04x = 20,596,925,869.36
  5. Step 5: Solve for x
    x = 20,596,925,869.36/165,587.04
  6. Step 6: Final answer
    x = 124,387.31

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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.