Home / 101,526.58-139,793.73-90,176.35

Finding the Fourth Proportional to 101,526.58, 139,793.73 and 90,176.35

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Solution

The fourth proportional to 101,526.58, 139,793.73 and 90,176.35 is: 124,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,526.58 : 139,793.73 = 90,176.35 : x
  2. Step 2: Convert to fraction form
    101,526.58/139,793.73 = 90,176.35/x
  3. Step 3: Cross multiply
    101,526.58x = 139,793.73 × 90,176.35
  4. Step 4: Simplify right side
    101,526.58x = 12,606,087,974.80
  5. Step 5: Solve for x
    x = 12,606,087,974.80/101,526.58
  6. Step 6: Final answer
    x = 124,165.40

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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.