Home / 102,263.08-141,119.94-56,943.40

Finding the Fourth Proportional to 102,263.08, 141,119.94 and 56,943.40

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Solution

The fourth proportional to 102,263.08, 141,119.94 and 56,943.40 is: 78,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,263.08 : 141,119.94 = 56,943.40 : x
  2. Step 2: Convert to fraction form
    102,263.08/141,119.94 = 56,943.40/x
  3. Step 3: Cross multiply
    102,263.08x = 141,119.94 × 56,943.40
  4. Step 4: Simplify right side
    102,263.08x = 8,035,849,191.40
  5. Step 5: Solve for x
    x = 8,035,849,191.40/102,263.08
  6. Step 6: Final answer
    x = 78,580.16

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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.