Home / 112,944.71-169,381.71-40,888.53

Finding the Fourth Proportional to 112,944.71, 169,381.71 and 40,888.53

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Solution

The fourth proportional to 112,944.71, 169,381.71 and 40,888.53 is: 61,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.71 : 169,381.71 = 40,888.53 : x
  2. Step 2: Convert to fraction form
    112,944.71/169,381.71 = 40,888.53/x
  3. Step 3: Cross multiply
    112,944.71x = 169,381.71 × 40,888.53
  4. Step 4: Simplify right side
    112,944.71x = 6,925,769,130.79
  5. Step 5: Solve for x
    x = 6,925,769,130.79/112,944.71
  6. Step 6: Final answer
    x = 61,320.00

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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.