Home / 114,488.19-157,811.15-90,249.63

Finding the Fourth Proportional to 114,488.19, 157,811.15 and 90,249.63

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Solution

The fourth proportional to 114,488.19, 157,811.15 and 90,249.63 is: 124,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,488.19 : 157,811.15 = 90,249.63 : x
  2. Step 2: Convert to fraction form
    114,488.19/157,811.15 = 90,249.63/x
  3. Step 3: Cross multiply
    114,488.19x = 157,811.15 × 90,249.63
  4. Step 4: Simplify right side
    114,488.19x = 14,242,397,897.37
  5. Step 5: Solve for x
    x = 14,242,397,897.37/114,488.19
  6. Step 6: Final answer
    x = 124,400.59

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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.