Home / 245,510.10-368,265.15-87,743.70

Finding the Fourth Proportional to 245,510.10, 368,265.15 and 87,743.70

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Solution

The fourth proportional to 245,510.10, 368,265.15 and 87,743.70 is: 131,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,510.10 : 368,265.15 = 87,743.70 : x
  2. Step 2: Convert to fraction form
    245,510.10/368,265.15 = 87,743.70/x
  3. Step 3: Cross multiply
    245,510.10x = 368,265.15 × 87,743.70
  4. Step 4: Simplify right side
    245,510.10x = 32,312,946,842.06
  5. Step 5: Solve for x
    x = 32,312,946,842.06/245,510.10
  6. Step 6: Final answer
    x = 131,615.55

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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.