Home / 102,264.16-141,124.18-56,942.68

Finding the Fourth Proportional to 102,264.16, 141,124.18 and 56,942.68

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Solution

The fourth proportional to 102,264.16, 141,124.18 and 56,942.68 is: 78,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,264.16 : 141,124.18 = 56,942.68 : x
  2. Step 2: Convert to fraction form
    102,264.16/141,124.18 = 56,942.68/x
  3. Step 3: Cross multiply
    102,264.16x = 141,124.18 × 56,942.68
  4. Step 4: Simplify right side
    102,264.16x = 8,035,989,162.82
  5. Step 5: Solve for x
    x = 8,035,989,162.82/102,264.16
  6. Step 6: Final answer
    x = 78,580.70

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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.