Home / 151,547.93-209,132.11-83,563.74

Finding the Fourth Proportional to 151,547.93, 209,132.11 and 83,563.74

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Solution

The fourth proportional to 151,547.93, 209,132.11 and 83,563.74 is: 115,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,547.93 : 209,132.11 = 83,563.74 : x
  2. Step 2: Convert to fraction form
    151,547.93/209,132.11 = 83,563.74/x
  3. Step 3: Cross multiply
    151,547.93x = 209,132.11 × 83,563.74
  4. Step 4: Simplify right side
    151,547.93x = 17,475,861,370.15
  5. Step 5: Solve for x
    x = 17,475,861,370.15/151,547.93
  6. Step 6: Final answer
    x = 115,315.74

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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.