Home / 102,761.93-141,818.08-57,440.07

Finding the Fourth Proportional to 102,761.93, 141,818.08 and 57,440.07

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Solution

The fourth proportional to 102,761.93, 141,818.08 and 57,440.07 is: 79,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,761.93 : 141,818.08 = 57,440.07 : x
  2. Step 2: Convert to fraction form
    102,761.93/141,818.08 = 57,440.07/x
  3. Step 3: Cross multiply
    102,761.93x = 141,818.08 × 57,440.07
  4. Step 4: Simplify right side
    102,761.93x = 8,146,040,442.47
  5. Step 5: Solve for x
    x = 8,146,040,442.47/102,761.93
  6. Step 6: Final answer
    x = 79,271.00

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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.