Home / 189,506.22-284,012.76-77,055.33

Finding the Fourth Proportional to 189,506.22, 284,012.76 and 77,055.33

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Solution

The fourth proportional to 189,506.22, 284,012.76 and 77,055.33 is: 115,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,506.22 : 284,012.76 = 77,055.33 : x
  2. Step 2: Convert to fraction form
    189,506.22/284,012.76 = 77,055.33/x
  3. Step 3: Cross multiply
    189,506.22x = 284,012.76 × 77,055.33
  4. Step 4: Simplify right side
    189,506.22x = 21,884,696,946.01
  5. Step 5: Solve for x
    x = 21,884,696,946.01/189,506.22
  6. Step 6: Final answer
    x = 115,482.74

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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.