Home / 191,527.07-287,279.67-73,210.37

Finding the Fourth Proportional to 191,527.07, 287,279.67 and 73,210.37

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Solution

The fourth proportional to 191,527.07, 287,279.67 and 73,210.37 is: 109,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,527.07 : 287,279.67 = 73,210.37 : x
  2. Step 2: Convert to fraction form
    191,527.07/287,279.67 = 73,210.37/x
  3. Step 3: Cross multiply
    191,527.07x = 287,279.67 × 73,210.37
  4. Step 4: Simplify right side
    191,527.07x = 21,031,851,652.38
  5. Step 5: Solve for x
    x = 21,031,851,652.38/191,527.07
  6. Step 6: Final answer
    x = 109,811.38

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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.