Home / 112,945.53-169,417.32-28,705.93

Finding the Fourth Proportional to 112,945.53, 169,417.32 and 28,705.93

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Solution

The fourth proportional to 112,945.53, 169,417.32 and 28,705.93 is: 43,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.53 : 169,417.32 = 28,705.93 : x
  2. Step 2: Convert to fraction form
    112,945.53/169,417.32 = 28,705.93/x
  3. Step 3: Cross multiply
    112,945.53x = 169,417.32 × 28,705.93
  4. Step 4: Simplify right side
    112,945.53x = 4,863,281,728.71
  5. Step 5: Solve for x
    x = 4,863,281,728.71/112,945.53
  6. Step 6: Final answer
    x = 43,058.65

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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.