Home / 237,930.51-328,365.17-130,521.47

Finding the Fourth Proportional to 237,930.51, 328,365.17 and 130,521.47

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Solution

The fourth proportional to 237,930.51, 328,365.17 and 130,521.47 is: 180,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.51 : 328,365.17 = 130,521.47 : x
  2. Step 2: Convert to fraction form
    237,930.51/328,365.17 = 130,521.47/x
  3. Step 3: Cross multiply
    237,930.51x = 328,365.17 × 130,521.47
  4. Step 4: Simplify right side
    237,930.51x = 42,858,702,390.77
  5. Step 5: Solve for x
    x = 42,858,702,390.77/237,930.51
  6. Step 6: Final answer
    x = 180,131.18

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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.