Home / 115,799.95-173,437.48-90,683.47

Finding the Fourth Proportional to 115,799.95, 173,437.48 and 90,683.47

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Solution

The fourth proportional to 115,799.95, 173,437.48 and 90,683.47 is: 135,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,799.95 : 173,437.48 = 90,683.47 : x
  2. Step 2: Convert to fraction form
    115,799.95/173,437.48 = 90,683.47/x
  3. Step 3: Cross multiply
    115,799.95x = 173,437.48 × 90,683.47
  4. Step 4: Simplify right side
    115,799.95x = 15,727,912,514.46
  5. Step 5: Solve for x
    x = 15,727,912,514.46/115,799.95
  6. Step 6: Final answer
    x = 135,819.68

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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.