Home / 102,328.29-153,498.14-31,261.73

Finding the Fourth Proportional to 102,328.29, 153,498.14 and 31,261.73

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Solution

The fourth proportional to 102,328.29, 153,498.14 and 31,261.73 is: 46,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.29 : 153,498.14 = 31,261.73 : x
  2. Step 2: Convert to fraction form
    102,328.29/153,498.14 = 31,261.73/x
  3. Step 3: Cross multiply
    102,328.29x = 153,498.14 × 31,261.73
  4. Step 4: Simplify right side
    102,328.29x = 4,798,616,484.38
  5. Step 5: Solve for x
    x = 4,798,616,484.38/102,328.29
  6. Step 6: Final answer
    x = 46,894.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.