Home / 105,263.22-157,788.42-45,330.78

Finding the Fourth Proportional to 105,263.22, 157,788.42 and 45,330.78

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Solution

The fourth proportional to 105,263.22, 157,788.42 and 45,330.78 is: 67,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,263.22 : 157,788.42 = 45,330.78 : x
  2. Step 2: Convert to fraction form
    105,263.22/157,788.42 = 45,330.78/x
  3. Step 3: Cross multiply
    105,263.22x = 157,788.42 × 45,330.78
  4. Step 4: Simplify right side
    105,263.22x = 7,152,672,153.57
  5. Step 5: Solve for x
    x = 7,152,672,153.57/105,263.22
  6. Step 6: Final answer
    x = 67,950.35

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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.