Home / 105,318.45-157,972.82-26,430.93

Finding the Fourth Proportional to 105,318.45, 157,972.82 and 26,430.93

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Solution

The fourth proportional to 105,318.45, 157,972.82 and 26,430.93 is: 39,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,318.45 : 157,972.82 = 26,430.93 : x
  2. Step 2: Convert to fraction form
    105,318.45/157,972.82 = 26,430.93/x
  3. Step 3: Cross multiply
    105,318.45x = 157,972.82 × 26,430.93
  4. Step 4: Simplify right side
    105,318.45x = 4,175,368,415.17
  5. Step 5: Solve for x
    x = 4,175,368,415.17/105,318.45
  6. Step 6: Final answer
    x = 39,645.18

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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.