Home / 103,232.13-142,447.56-57,903.84

Finding the Fourth Proportional to 103,232.13, 142,447.56 and 57,903.84

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Solution

The fourth proportional to 103,232.13, 142,447.56 and 57,903.84 is: 79,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,232.13 : 142,447.56 = 57,903.84 : x
  2. Step 2: Convert to fraction form
    103,232.13/142,447.56 = 57,903.84/x
  3. Step 3: Cross multiply
    103,232.13x = 142,447.56 × 57,903.84
  4. Step 4: Simplify right side
    103,232.13x = 8,248,260,722.63
  5. Step 5: Solve for x
    x = 8,248,260,722.63/103,232.13
  6. Step 6: Final answer
    x = 79,900.13

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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.