Home / 114,450.40-157,909.34-90,176.11

Finding the Fourth Proportional to 114,450.40, 157,909.34 and 90,176.11

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Solution

The fourth proportional to 114,450.40, 157,909.34 and 90,176.11 is: 124,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,450.40 : 157,909.34 = 90,176.11 : x
  2. Step 2: Convert to fraction form
    114,450.40/157,909.34 = 90,176.11/x
  3. Step 3: Cross multiply
    114,450.40x = 157,909.34 × 90,176.11
  4. Step 4: Simplify right side
    114,450.40x = 14,239,650,035.03
  5. Step 5: Solve for x
    x = 14,239,650,035.03/114,450.40
  6. Step 6: Final answer
    x = 124,417.65

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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.